Board Clear Lab Solutions Guide - Board Clear Puzzles List, Answers, & Tips
By JimmyRaynor -
Our Board Clear Puzzle Lab Solutions Guide will run you through all of the answers for each of the puzzles listed in the Board Clear section of the Puzzle Lab! We have a full list of the puzzles, as well as the answers and some tips to help you get through the lab.
Clearing the board sounds like something you do in just about every game of Hearthstone. However, instead of only clearing your opponent's side of the board you will need to clear your own as well! Here's the official description from Blizzard:
Pretty straightforward: clear the board of all minions. Our research suggests that minions play an important role in winning matches, and this set of challenges will help us better understand how to get rid of them.
Our Other Puzzle Lab Guides
- Lethal Puzzle Lab Solutions Guide
- Survival Puzzle Lab Solutions Guide
- Mirror Lab Solutions Guide
- Dr. Boom Puzzle Lab Solutions Guide
Board Clear Puzzle Solutions, Answers, & Puzzle List
We've got all of the solutions to the Board Clear Puzzles listed below! Be sure to follow each step carefully, order can be important depending on the puzzle.
Dexter the Dendrologist Board Clear Puzzles Answers & Solutions
Puzzle #1 - Quick Attack
- Stonetusk Boar into Wisp.
- Rabid Worgen into Bloodfen Raptor.
Puzzle #2 - Holy Extermination
- Elven Archer shoots Infested Wolf.
- Cast Holy Nova.
- Cast Spirit Lash.
Puzzle #3 - Stomp the Snail
- Play both Tentacle of N'Zoth.
- Use the coins from the Gilded Gargoyle to play Stubborn Gastropod.
Puzzle #4 - Sticky Scarecrows
- Sap the enemy Harvest Golem.
- Eviscerate your own Golem, and Backstab the Damaged Golem.
Puzzle #5 - The Power of Pigs
- Send both of your Stonetusk Boar into Soggoth the Slitherer.
- Hero Power.
- Shield Slam your Frothing Berserker.
- Trade Berserker with Soggoth.
Puzzle #6 - Position Perfection
- Wolfrider into Toxic Sewer Ooze.
- Explosive Shot onto Chillwind Yeti.
- Hero Power onto River Crocolisk.
- Trade Steamwheedle Sniper into Bloodfen Raptor.
Puzzle #7 - Scorched Earth
- Power Word: Shield a Wild Pyromancer (one will die).
- Holy Smite the Deathwing.
- Hero Power to heal your Pyromancer.
- Holy Smite the Deathwing twice.
- Flash Heal yourself.
Puzzle #8 - Dragon Removal Service
- Hero Power for a Dagger.
- Backstab your Spiteful Smith
- Play Toxicologist. Play Deadly Poison.
- Attack Deathwing with your Face.
- Cast Preparation into Blade Flurry.
- Use the coins from Hoarding Dragon to Eviscerate your minions.
Flobbidinous Floop Board Clear Puzzles Answers & Solutions
Puzzle #1 - Fighter's Finale
- Use Humility on your Deathwing.
- Cast Enter the Coliseum.
- Attack into the enemy Anomalus with your Boulderfist Ogre.
Puzzle #2 - No More N'Zoth
- Heal the enemy injured Spawn of N'Zoth with your Voodoo Doctor.
- Attack an enemy Murloc Tinyfin with your Stonetusk Boar.
- Play Dark Iron Skulker.
- Eviscerate your Dark Iron Skulker.
- Backstab your Voodoo Doctor.
Puzzle #3 - Contamination!
- Use Contamination on the enemy Sen'jin Shieldmasta.
- Attack into Sen'jin Shieldmasta with your Boulderfist Ogre.
- Attack into the enemy Chillwind Yeti with your other minions.
- Swipe the enemy Spider Tank.
- Use Moonfire on your Chillwind Yeti.
Puzzle #4 - A Stolen Shadow
- Use Mind Vision.
- Attack with your Clockwork Giant into an enemy Faceless Behemoth.
- Use Confuse.
- Steal the low-attack Faceless Behemoth with Potion of Madness.
- Cast the second copy of Confuse.
- Cast Shadowflame on the stolen Faceless Behemoth.
Puzzle #5 - Hurricane of Horrors
- Attack with your Stormwatcher into Sen'jin Shieldmasta and Wrathion.
- Attack with your Boulderfist Ogre into Earth Elemental.
- Attack with Spider Tank into Lord of the Arena.
- Use Confuse.
- Use Shadow Word: Horror.
Puzzle #6 - Curious Crustacean
- Use Hungry Crab on the enemy Megafin.
- Use Crazed Alchemist's battlecry on the enemy Sleepy Dragon.
- Play Void Terror in the middle of your two minions.
- Cast Shadowflame on your Void Terror.
Puzzle #7 - Shocking Spells
- Use Counterfeit Coin.
- Use Preparation.
- Use Razorpetal Volley
- Use both Razorpetals on the enemy minion.
- Use Backstabs on your first 2 minions.
- Shadowstep the remaining minion.
Demonologist Draan Board Clear Puzzles Answers & Solutions
Puzzle #1 - Tiny Terrors
- Use Topsy Turvy on your Sleepy Dragon.
- Attack into the enemy Hungry Ettin with your Sleepy Dragon.
- Attack into Molten Giant with your Chillwind Yeti.
- Use Confuse.
- Use Pint-Size Potion.
- Use Shadow Word: Horror.
Puzzle #2 - Defiling Demons.
- Attack into one Voidwalker with one of your Imps.
- Attack into Voidlord with your Doomguard.
- Use Mortal Coil on Boulderfist Ogre.
- Use Defile.
Puzzle #3 - A Warrior's Weapons
- Equip Blood Razor.
- Use Whirlwind.
- Equip Fiery War Axe and attack into Pit Fighter.
- Use Revenge.
Puzzle #4 - Poultry Provoked
- Use Mark of the Wild on an enemy Angry Chicken.
- Hero power and attack the buffed Angry Chicken.
- Use Contamination on your Abomination.
- Attack into the buffed Angry Chicken with your Abomination.
Puzzle #5 - Bot Battle
- Play Brann Bronzebeard.
- Play Galvanizer.
- Play Explosive Sheep.
- Use Faithful Lumi on your Explosive Sheep.
- Use Fireworks Tech on your Explosive Sheep.
- Play one of the Skaterbots on the left of your Explosive Sheep and attack into one Force-Tank MAX.
- Play Mechwarper.
- Play the other Skaterbot on the left of your Mechwarper.
- Attack into the last Force-Tank MAX.
Dr. Morrigan Board Clear Puzzles Answers & Solutions
Puzzle #1 - Airborne Assault
- Play Flametongue Totem between your Flying Machines.
- Play Wild Pyromancer on the far right or left, so it does not interfere with Flametongue Totem.
- Attack with the first Flying Machine into Sen'jin Shieldmasta and Booty Bay Bodyguard (in that order).
- Attack with the second Flying Machine into Squirming Tentacle then Lord of the Arena (in that order).
- Use Rockbiter Weapon on yourself.
- Use Windfury on any minion.
- Use Lightning Bolt on your Flametongue Totem.
- Kill the remaining River Crocolisk with your Hero.
Puzzle #2 - Dog Days
- Use Unleash the Hounds.
- Play Dire Wolf Alpha between two hounds.
- Play Timber Wolf on the left of Tundra Rhino.
- Play Scavenging Hyena on the far right.
- Use The Coin and cast Powershot on Golemagg.
- Kill one of the Molten Giants with your Hounds.
- Attack into the other Molten Giant with one Hound and the Dire Wolf Alpha.
- Attack into Golemagg with Timber Wolf, then Scavenging Hyena and kill him with Tundra Rhino.
Puzzle #3 - Grumble's Rumble
- Play Fire Plume Harbinger.
- Play Murmuring Elemental.
- Play Zola the Gorgon on Fire Plume Harbinger.
- Play another Fire Plume Harbinger.
- Use the first Battery Pack.
- Play the last Fire Plume Harbinger, then play Grumble, Worldshaker.
- Play a Fire Plume Harbinger.
- Play Murmuring Elemental, followed by a Fire Plume Harbinger.
- Use Zola the Gorgon on a Fire Plume Harbinger.
- Play your remaining Fire Plume Harbingers.
- Use the last Battery Pack.
- Use Backup Plan.
- Play Snowfury Giant and cast Shadowflame on it.
Puzzle #4 - Toxic Treants
- Attack with two of your Treants into the Blightnozzle Crawler.
- Play Floop's Glorious Gloop.
- Play Poison Seeds.
- Play Spiritsinger Umbra, followed by Ticking Abomination.
- Use Contamination on the enemy Treant.
- Play Mulchmuncher and attack the enemy Treant.
- Hero Power and kill the enemy Radioactive Ooze.
- Use Lesser Jasper Spellstone on your Ticking Abomination.
Puzzle #5 - A Dance with Death
- Copy Sonya Shadowdancer with Faceless Manipulator.
- Use one Elven Archer on Foe Reaper 4000.
- Play Tentacle of N'Zoth and kill it with the second Elven Archer.
- Use one Elven Archer on Foe Reaper 4000.
- Play a Tentacle of N'Zoth, then kill it with an Elven Archer.
- Play your last 3 Tentacle of N'Zoth and kill one of them with an Elven Archer.
Dr. Boom Board Clear Puzzles Answers & Solutions
Puzzle #1 - A Storm of Souls
- Play your Radiant Elementals and your Test Subject.
- Use Vivid Nightmare on your Test Subject.
- Use Topsy Turvy on the 0/1 Test Subject.
- Play Vivid Nightmare on Gelbin's Coil.
- Use Topsy Turvy on a Radiant Elemental.
- Use Holy Smite on Test Subject.
- Use Shadow Word: Pain on a 2/3 Radiant Elemental.
- Use Holy Smite on the last Possessed Villager (if one exists, if not use it on a token).
- Play Holy Smite on a Gelbin's Coil.
- Holy Smite the 3/2 Radiant Elemental that remains on the board.
- Kill off the last Gelbin's Coil with the last Holy Smite.
Puzzle #2 - Plugging Away
Credit to HSdogdog for this solution, watched it on his stream.
- Play Tundra Rhino.
- Attack with a Cave Hydra into the middle Mekgineer Thermaplugg.
- Attack with a Novice Engineer into the middle Mekgineer Thermaplugg.
- Attack with another Novice Engineer into the right Mekgineer Thermaplugg.
- Use Windfury on a Cave Hydra and attack with it, first into the Leper Gnome between the middle and right Mekgineer Thermaplugg, then into the right Mekgineer Thermaplugg.
- Use another Windfury on a Cave Hydra, then attack with it, first into the Leper Gnome next to the remaining Mekgineer Thermaplugg, then into Mekgineer Thermaplugg himself.
- Attack with Tundra Rhino and kill Mekgineer Thermaplugg.
- Kill the remaining Leper Gnome with your last Novice Engineer.
Puzzle #3 - The Test
Credit to HSdogdog, watched it on his stream.
- Play Radiant Elemental.
- Use Vivid Nightmare on a Test Subject and kill off the new one with Shadow Word: Pain.
- Use Inner Fire on Radiant Elemental.
- Play Vivid Nightmare on the same Test Subject and kill off the new one with Shadow Word: Pain.
- Play Vivid Nightmare on the Radiant Elemental.
- Use Shadow Word: Pain to kill off all Test Subjects, except the one you have cast spells on.
- Use Battery Pack.
- Use Divine Spirit and Vivid Nightmare on Test Subject, then kill the new one with Shadow Word: Pain.
- Play Kobold Geomancer.
- Play Sergeant Sally and cast Divine Spirit on her.
- Cast two Vivid Nightmares on Kobold Geomancer.
- Shadow Word: Pain your Test Subject.
- Use Divine Spirit on Sergeant Sally.
- Play Confuse.
- Cast Vivid Nightmare on Sergeant Sally.
- Use Spirit Lash.
Puzzle #4 - Warlock's Apprentice
Credit to Savjz, watched it on his stream.
- Use Demonfire on Ultrasaur.
- Play Moat Lurker on the far right and use it on your Wild Pyromancer.
- Play Arcane Anomaly on the far left.
- Use Demonfire on Jade Golem.
- Use Ratcatcher on your Fearsome Doomguard (place to the left).
- Play Bloodfury Potion on Summoning Portal.
- Play Void Terror on the right of your Moat Lurker.
- Play Defile.
57 Comments
Scorpion
PUZZLE #1 – TINY TERRORS THERE IS NO Topsy Turvy!
Salty Reboot
Yes, there is. On the far left side of your hand.
Adam Michael Baron
You need to use the test subject to clear board, then holy smite your minions, didn't keep track of my moves, hope this helps
Chan
What I did was double Radiant Elemental, Test Subject.
Vivid on Test Subject and Topsy Turvy, repeat a second time.
Vivid on Radiant Elemental and Test Subject and Topsy Turvy Test Subject.
So my board then was 2x 2/3 Radiants a 2/1 Radiant the 1/2 zapper and the 0/2 Test Subject. And hand should have been 4x Smite, Topsy Turvy, Pain, 3x Vivid if I remember correctly.
I cast Vivid on the 1/2 zapper thing, topsy'd a radiant to make it a 3/2 and pained the 2/3 radiant and cast holy smite on the test subject which gave me back a 4th smite and left me with a 1/2 zapper, 1/1 zapper 2/1 radiant 3/2 radiant and 4 smites, cast smite on one of the radiants then both the zappers and the last radiant and it was over.
I'm pretty sure that's how it worked out for me, definitely needed to cast a vivid on the zapper once to get enough pings on the enemies and be left with 4 minions to clear with smite.
deso
dr boom puzzle#1 you need to copy test subject twice with nightmare because at the end 1 1/1 will remain
Evident
You don't need to copy it twice. I updated the steps a bit, they weren't completely clear. If you remove the 0/1 you should be fine.
deso
yea thats what i meant, 1 more spell with subject to force coil deal more dmg
Marshall
i´ve did the boom #1 little bit differently, by using one vivid on that shooting thing
extronusl
are they posting this guide on the go as someone does it oor ?
extronusl
on plugging away i always get left with 2 hydras... dunno how to kill em off
Chan
What I did was
1. Play Tundra Rhino
2. Swing a hydra in to the middle minion, leaving 3x 9/5 and 3x 1/1
3. Windfury Tundra Rhino
4. Clear the leper gnome in between the 1st and 2nd minion with Rhino
5. Windfury a Hydra, swing in to the Leper Gnome between the 2nd and and 3rd Minion, then swing it again in to the 2nd Minion. Leaving you with a 9/3 and 2x 9/1 and 4x 1/1
6. Coin and Windfury last Hydra, swing in to leper Gnome between 2nd and 3rd killing 2nd and third and then swing again in to the first minion making it a 9/1 and 3x 1/1 left.
7. Tundra Rhino in to last 9/1 and 3x Engineers in to 1/1's, should leave you with 1 hp since you only killed 7 Gnomes.
extronusl
thx will try that
Shnimaxxx
Wait youre a genius, it worked 100% correct lol
koyros
great job thank you!
Marshall
yes i have passed them all!
ConDdeDenis
I guess this solution for: PUZZLE #3 – THE TEST
1- Play Elemental
2- Play DIvine on a Test Subject, then create a copy of him and then use shadow word on the copy.
3-Repeat step 2 on the same minion, obtaining now 2 copies of each spell.
4-Copy the elemental to reduce cost of spells.
5-If its possible summon Sally and Start buffing Sally with untill she got 4 hp, then use confuse.
U have cleared all test subject, and obtained another Divine spirit, and the spell to create a copy from Slly with 1 hp.
6-Create a copy of Sally and then double one of them to get a 2 hp Sally.
7-Summon Kobold
8-Ping 1 hp Sally.
9-Use 2 dmg spell.
Sorry for not putting the proper names. Hope its clear enough.
Thijs de Niet
thank you
FRO
Awesome, thanks! Perfectly done. All is fine as far as instruction on how to carry out- the spell name you're looking for is spirit lash and it triggers and hits the 2nd spawns of Cairne. Well done.
Renora
That worked perfectly, thank you!
Makiota
Sweet dude, thx
Ruskov
merci
Kingstonzy
Omg thank you
ConDdeDenis
I think i got the right answer, check my msg
Alex
Anyone know #4
NOC
I need to know the solution for #4 too
Makiota
I'd love to know #4 aswell
Alex
Apparently everyone does lol
Pandeztroyz
Sorry nah bra, but did this dude fall asleep ?
(not being rude)
Alex
He's getting the rest from a stream
Pandeztroyz
I mean it's really hard but this dude is smart.
FRO
He's just waiting on streams and then posting. He might've cleared the basics on his own but some of the streamers he's watching are still also stuck on it (mainly dog)- so we'll have to wait
Severe
https://www.twitch.tv/videos/300112672?t=06h34m07s
Savjz did it
Marco Tam
for some reason the dance with death one does not work. sonya is only copied once and only gives you 2 nzoth tentacles. This means that step 6* does not work for me.
Marco Tam
nvm found my own method. This is not a 6 step solution for me
Evident
I just tried it and it worked fine. Make sure to follow all the steps exactly.
david.bronstein
before you attack with the second archer , drop an n'zoth on the board. should work for u
Zero
any one else having a problem with #4 ?
AP STONE
Yeah you lack one more mana for the defile. Trying to see whats missing now.
Sarah
Place moat lurker far right, not beside the apprentice.
Zero
nvm mind figured it out was placement on my part
Smok
Yea poultry provoked, there must be more to it than that, isn't there?
Strawbree
Thank guys for all your hard work! And note to all people saying there are errors and mistakes I have followed every single one to the mark and haven't had one error or mistake so please read again and follow EXACT!
Lign
The last phase of Dr. Boom has a mistake,
You do as you said with the difference that you use one Demon Fire on the jade and the second on 8-15 Dinosaur.
Evident
Just tested this one and our solution worked fine.
Enthrix
Sorry hut, I'm doing the same steps as mentioned in the guide and it's not working.
DemonsDecay
The first Dr. Boom puzzle is wrong and this is how you play it.
Play Radiant Elemental
Play Radiant Elemental
Play Test Subject
Play Vivid Nightmare on Test Subject
Play Topsy Turvy on either Test Subject
Play Vivid Nightmare on Test Subject
Play Topsy-Turvy on either Test Subject
Play Vivid Nightmare on either Radiant Elemental
Play Vivid Nightmare on Test Subject
Play Topsy-Turvy on either Test Subject
Play Vivid Nightmare on Gelbin's Coil
Play Topsy-Turvy on an undamaged Radiant Elemental
Play Holy Smite on the 3/2 Radiant Elemental
Play Shadow Word: Pain on the undamaged Radiant Elemental
Play Holy Smite on either Gelbin’s Coil
Play Holy Smite on the remaining Gelbin’s Coil
Play Holy Smite on Test Subject
Play Holy Smite on Radiant Elemental
gg
Evident
Our solution is correct, I just tried it.
Anon Y Mous
I don't get the solution for Poultry Provoked. Maybe I'm missing something but: (1) you can destroy the Abomination by playing Contamination on either of the two taunt minions and then attacking it with the Abomination (2) destroying Abomination only does 2 damage to all other characters so how does destroying it, by any method, destroy the two giants? I must be missing something but I can't figure out what.
claytor
I’ve been wondering the exact same thing. Stared at that puzzle seemingly forever, and now that I know the solution I’m just as confused!
Oddball
The posion effect on the abomination is transferring through it's 2 damage to all death effect . I always thought poison was restricted to direct attack damage, not death rattle or other indirect damage effects. Interesting....
Dee
Grumble Rumble is wrong. this is the correction
Play Fire Plume Harbinger
Play Murmuring Elemental
Play Zola the Gorgon, targeting Fire Plume Harbinger
Play Fire Plume Harbinger
Play Battery Pack
Play Fire Plume Harbinger
Play Grumble, Worldshaker
Play Zola the Gorgon, targeting Grumble, Worldshaker
Play Fire Plume Harbinger
Play Murmuring Elemental
Play Fire Plume Harbinger
Play Fire Plume Harbinger
Play Grumble, Worldshaker
Play Battery Pack
Play Fire Plume Harbinger
Play Fire Plume Harbinger
Play Snowfury Giant
Play Shadowflame on Snowfury Giant
Play Back-up Plan
Raven
My solution didn't even use Grumble.
1. Fire Plume Harbinger
2. Zola on the Fire Plume Harbinger
3. Murmuring Elemental
4. Fire Plume Harbinger
5. Battery Pack
6. Snowfury Giant
7. Battery Pack
8. Shadowflame
9. Back-up Plan
Dee
A Dance with Death was wrong on this page. Here is correction.. :
Play Faceless Manipulator, targeting Sonya Shadowdancer
Play Elven Archer, targeting Foe Reaper 4000
Play Elven Archer, targeting Elven Archer
Play Tentacle of N'Zoth
Play Elven Archer, targeting Tentacle of N'Zoth
Play Elven Archer, targeting Foe Reaper 4000
Play Tentacle of N'Zoth
Play Elven Archer, targeting Tentacle of N'Zoth
Play three Tentacle of N'Zoth
Play Elven Archer, targeting Tentacle of N'Zoth
Dee
A storm of souls .. corrected :
Play Radiant Elemental
Play Radiant Elemental
Play Test Subject
Play Vivid Nightmare on Test Subject
Play Topsy Turvy on either Test Subject
Play Vivid Nightmare on Test Subject
Play Topsy-Turvy on either Test Subject
Play Vivid Nightmare on either Radiant Elemental
Play Vivid Nightmare on Test Subject
Play Topsy-Turvy on either Test Subject
Play Vivid Nightmare on Gelbin's Coil
Play Topsy-Turvy on an undamaged Radiant Elemental
Play Holy Smite on the 3/2 Radiant Elemental
Play Shadow Word: Pain on the undamaged Radiant Elemental
Play Holy Smite on either Gelbin’s Coil
Play Holy Smite on the remaining Gelbin’s Coil
Play Holy Smite on Test Subject
Play Holy Smite on Radiant Elemental
Dee
On Plugging Away.. Corrected play :
Play Tundra Rhino
Put windfury on all 3 Hydras. xxxx (this was wrong on both walkthroughs)
Attack the center Mekgineer Thermaplugg with any Cave Hydra
Attack the left-most Leper Gnome with the left-hand Cave Hydra
Attack the left-hand Leper Gnome with the right-hand Cave Hydra
Attack the center Mekgineer Thermaplugg with the Cave Hydra with Windfury
Attack the right-hand Mekgineer Thermaplugg
Attack either Leper Gnome with any of the Novice Engineers
Attack the remaining Mekgineer Thermaplugg with the Tundra Rhino
Attack the remaining Leper Gnomes with the remaining Novice Engineers
rwm
In the final Dr. Boom board clear puzzle, the listed solve works fine. But I think the following should work as well (but it doesn't):
1. Bloodpurify potion on Fearsome Doomguard
2. Moat Lurker on far right, using it on one of the Sorcerer’s Apprentices
3. Ratcatcher on Wild Pyromancer
4. Arcane Anomaly on far left
5. Void Terror on far right
6. Demon fire on Void Terror
7. Demon fire on Ultrasaur or Summoning Portal (doesn’t matter, it’s just to get Arcane Anomoly up one more health)
8. Defile
This doesn’t work, but I think it should. Can someone explain why? Seems to have something to do with the Stormwind Champion bonus not coming off for opposing minions properly after Stormwind Champion dies in defile.
Nathanyel
Have a similar approach, with Void Terror eating the Ratcatcher and the Wild Pyromancer - once the Stormwind Champion is gone, the dragon should have one HP more than the Doomguard, but it, and thus the Golem and Ultrasaur don't die :/
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