Book of Mercenaries: Cariel Guide And Boss Strategy

The sixth edition of Book of Mercenaries tells the origin story of the human paladin Cariel Roame. As the second favorite of famous city guard Cornelius Roame, Cariel always had to prove her worth. Over time, she became a well-respected guard of Northwatch – until the Horde and a particular Demon Hunter arrived in the Barrens …

In this extensive gameplay guide, we will navigate you through the eight different encounters of “Book of Mercenaries: Cariel”!

Tamsin Roame

Our adventure starts with a classical story-telling trope: The fight between siblings. 

In a Rogue versus Mage matchup, we will have to defeat our sister Tamsin, who clearly is father’s favorite. As per usual, the introductory fight doesn’t include a whole lot of complexity. Tamsin’s hero power is weak but can still create pesky secrets. The campaign-exclusive card A Father’s Lesson alone brings enough value to end the fight quickly. As long as we play around them and watch out for that one Ooze in her deck, we should bring her down without breaking a sweat.

Kurtrus Ashfallen

We learn that the flashback to Cariel’s youth was just a dream, and we wake up in a fight against Kurtrus.

I can’t say for sure if Brazen Zealot is a given in every starter hand. If it isn’t, make sure to mulligan for it – because it will single-handedly win you the game. Our hero power protects Zealot long enough to snowball into the mid-game. If you’re losing Zealot or if you can’t get it in your mulligan, just play out the game and apply Divine Shields to your bigger minions. Kurtrus won’t be able to deal with big, protected threats – so go for the throat and advance to the next challenge.

Cornelius Roame

We’re fighting our very own father with an aspiring Libram Paladin deck. Cornelius’ hero power provides him with tons of armor after getting rid of our minions. That is why we should aim for a more defensive approach because we won’t be able to snowball early anyway.

Libram Paladin in PvE situations such as Book of Mercenaries is an insanely strong archetype. Libram of Hope in particular does everything you want against an AI that doesn’t know what’s coming. Keep trading for the board, keep playing your libram synergies, and you’ll eventually be able to outbuff and outrun Cornelius.


In the fourth encounter of the campaign, we finally get some change of pace: In the fight against Xur’gon, we have to defend our dear friend Tavish so that he can take care of Anetheron’s sergeant.

The game turns into some sort of tower defense – we won’t be able to hit the enemy hero, so all we have to do is to keep the board clear. Libram Paladin is great at doing exactly that, and you shouldn’t have any problems keeping up with Xur’gon – except for one situation. On turn 5, the demonic watcher will play a card called Endless Legion that draws three cards and plays any drawn minions instantly. To tackle this potential threat, you need to get as much meat on the board as possible before that!

Other than that, the weird demon archetype played by Xur’gon shouldn’t cause any problems whatsoever.


After the fight against his sergeant, it is now time to fight Anetheron himself.

The fight consists of two stages. Stage 1 needs us to free Kurtrus from Anetheron’s right hand. To do that, all we have to do is deal 11 damage which isn’t too much to ask for. Try to let Anetheron hit your Divine Shield or high-health minions with his hero power, and you should be able to advance to the next stage with ease.

As soon as Kurtrus is freed, we’ll get a new hero power that lets us generate Demon Hunter spells for free – and we need those additional resources badly. Anetheron’s upgraded hero power will now damage our left- and right-most minions, a fact that hinders us at creating a solid board.

That is why you should fish for decent Demon Hunter spells every single turn. More board clear to buy time is never bad – and a well-timed Skull of Gul’dan will also provide enough tempo to overcome Anetheron’s hero power. Together with the incredible power level of libram synergy, you should be able to establish a lethal board eventually.

Anetheron (Again)

The second fight against Anetheron turns out to be much harder. His hero power equals unlimited generation of very powerful cards such as Summon Towering Infernal or Carrion Swarm.

However, we also have a noticeable advantage on our side: Kurtrus! Thanks to our hero power, we can either heal or revive him, turning him into a powerful value machine. Cards like Chaos Nova or Skull of Gul’dan should give you enough value to maintain.

Our deck also features Lady Liadrin, which is a big plus in longer games because it can turn the tide against Anetheron’s Infernal army together with Libram of Hope.

Twisted Monstrosity

Hearthstone’s most unsettling character arc continues. After Tamsin’s disturbing encounter where she drove her very own father into insanity, Cariel now has to deal with what is left of Cornelius Roame.

For a seventh Book of Mercenaries encounter, this fight is incredibly easy – but that is no disappointment in my opinion. The missing difficulty is more than understandable from a story standpoint after Looking at the fact that Cariel has to lay her own dear father to rest. 

As far as tactics go, just stay ahead of the curve, don’t let your father’s arms grow too big, and you are good to go.


In the final fight of the campaign, we face Tamsin yet again – this time in full Forsaken Warlock form. The fight turns out to become an epic battle of siblings. You should prepare to go all the way into fatigue because Tamsin’s deck quality is quite high. 

By the looks of it, she tries to give us the same mind-rending treatment her father got in the last chapter. Getting rid of the Mind Demons is of utmost importance while dealing with the pressure caused by Tamsin’s 1-mana hero power can become a problem.

The two copies of Altar of Fire can also ruin your whole day. Our deck is unmatched In terms of high-quality legendaries, and Tamsin wants to mill every single one of them. That is why you should play High Exarch Yrel as well as the campaign-exclusive Captain Fairmount as soon as you have enough mana for them.

Another key to success is Cariel’s hero power. Yes, Tamsin has a ton of board-clearing tools, but paying one mana for three dudes is just invaluable of the course of 20 or more turns. Last but not least, yet another campaign exclusive can shake up the game in a heartbeat: A Father’s Memory will fill both board sides with minions from both decks, while your minions gain Rush. Depending on your board state, this can turn into a life-saver or a lethal-threatening weapon.

The most important card of the matchup is, once again, Lady Liadrin. It’s the only card you should keep until both players are in fatigue. If you’ve used your librams and other spells correctly, you should be able to gain an enormous amount of value in the super-late-game.

With all these tools, you will eventually manage to overcome your dark sister and thus put an end to the family drama!


Julian "Tharid" Bischoff, a dinosaur in the fast-changing world of esports and self-proclaimed Warcraft expert, already created Hearthstone-related content for Red Bull, ESL and Hearthhead.

Check out Tharid on Twitter!

Leave a Reply


  1. 5ek5hun8
    April 11, 2023 at 2:04 pm

    Worst guide ever. “Extensive,” what a load of bs. “Tasmin is easy, just win,” no, I’ve lost 7 times in a row. There’s literally no guide here.

  2. DemianHS
    November 12, 2021 at 2:44 am

    Men. This history is so damn good. <3 Keep me in, and touch my heart. Nice drama! I'm asking about Tavish, Bru'Kan, Scabbs and Varden. o-ó

    • Alglyphic
      November 13, 2021 at 5:45 pm

      We know Scabbs and Varden got thrown in the clink following Varden’s arrest by Xyrella’s group and Scabbs likely discovering the truth behind Katrana Prestor. By their Questlines, Varden’s journey is likely to take them to Silvermoon City in search for answers about the naaru shards, while Scabbs makes his own escape to spread the truth about the shard conspiracy. Perhaps to reach out to Tavish, who doesn’t have as much at stake in the story so far aside from being a trigger-happy bounty hunter. Which doesn’t make him any less fun, mind. Considering that Guff’s story took him into the Wailing Caverns mini-set, maybe Tavish will reference the Deadmines by diving into the depths to take on Edwin VanCleef’s crew for the shards that “shine all night”?

      I’d made a mistake analysing Bru’kan’s Questline – apparently Guff and the others dressed up as Stormwind soldiers to get closer to the conflict? My guess is Bru’kan took it upon himself to defend Stormwind from the demon onslaught in his own way, not just to make it to Varden but also to safeguard the innocents that Tamsin endangered.

      Mercenaries mode also confirmed that Kazakus is in close contact with Katrana, and the encounters from Blackrock Mountain seem to be a step-by-step retelling of the Hearthstone adventure of the same name. Maybe there’s another Nefarian encounter or card in the works? “Look, go play some Ranked Mode. This adventure is not for you.”

      • DemianHS
        November 18, 2021 at 2:36 am

        Nice analysis. 🙂 Yeah, idk about Tavish. But Bru’kan deserves a good history line. <3 Other posibility is put three left Heroes on Alterac and tell us about the conflict and why is a war and not a team up… ?
        Anyways I can't wait for more. ^^

        • Alglyphic
          November 18, 2021 at 4:57 pm

          Scabbs’ chapter was a good summation of Stormwind’s plotlines. As for why the mercenaries find themselves embroiled in a war despite their collaboration, we’d have to look at WoW lore – which isn’t my forte since I’m a HS main, not a WoW main, but I’ll try.

          Alterac Valley is noted for being not only a location contested by the Frostwolf Clan and the Stormpike Expedition, but also a PVP battleground that gives the most Honour Points (prior to the Legion invasion, it seems, when the system was entirely removed), which explains the system used for the HS expansion. If the “Stormpike Expedition” sounds familiar, it’s because Tavish is supposed to be a HS-exclusive member of the clan, which explains why he’s the figurehead Mercenary represeting the Alliance – and much like Cutterbutter was before the Deadmines teamup, his opinion on the Horde was less than favourable. Rokara likewise makes sense as his counterpart given her steadfast loyalty towards the Frostwolf Clan.

          None of this actually explains why the mercs are now fighting instead of working together, but we’ve seen that both Kazakus and Katrana (*cough* Onyxia) have been scheming a conspiracy that transcended the faction divide, just as the mercenaries worked together to defeat Edwin VanCleef. Something far larger than the team’s experiences at the Wailing Caverns, across the Barrens, and the Stormwind halls and alleys is at stake here. Given Hearthstone’s predilection for taking things in a lighthearted and ultimately heartwarming direction, I’d wager that the mercs aren’t so much reluctantly fighting each other as much as they’re trying to put up a facade of buying time for Varden to uncover the truth behind Kazakus and Katrana’s machinations.

          Or maybe I’m just reading too much into Guff having the absolute time of his life in the Alterac trailer. It’d definitely play into the new expansion title: the mercenaries, while cognisant of the truth, are nonetheless divided – or “fractured” – into their factions. “Fractured” could also refer to the splitting of the ground after the Ice Lord gets unleashed upon the battlefield, a hint towards Kazakus and Katrana’s true plan?

          • DemianHS
            November 20, 2021 at 1:45 pm

            “Given Hearthstone’s predilection for taking things in a lighthearted and ultimately heartwarming direction, I’d wager that the mercs aren’t so much reluctantly fighting each other as much as they’re trying to put up a facade of buying time for Varden to uncover the truth behind Kazakus and Katrana’s machinations.”

            This is pure HS material. <3 Really deep analysis, it's amazing Alglyphic. One thing is anoying me a lot is the new Tamsin form. How she becomes that? When? :O Anyways, I can't wait for the rest of this really good story. 🙂

            • Alglyphic
              November 21, 2021 at 8:28 pm

              ” One thing is anoying me a lot is the new Tamsin form. How she becomes that? When? :O”

              There have been other decent explanations floating around on this, actually. The new Tamsin is known as a lich: a robed skeletal figure that holds a high position in the Lich King’s Scourge. In fantasy media, a lich also can’t truly die because its soul isn’t strictly attached to its body, because it’s encased in a special vessel known as a “phylactery”. If that word sounds familiar, that’s because we know it from the legendary spell Tamsin’s Phylactery. It’s likely that Tamsin, ever the resourceful necromancer acolyte, already stashed her soul in her perfume bottle as a backup plan.

              You might wonder how Tamsin ever thought to go the lich route, but it’s hardly a surprise. Schoolmaster Kel’Thuzad himself went the same route in the original Warcraft III: despite Arthas’ slaying, he was reborn as the Archlich after Arthas went all death knight and brought Kel’Thuzad’s ashes to the night elves’ Sunwell. In fact, although Archlich Kel’Thuzad was one the earliest bosses players could defeat in WoW, it wasn’t until the Shadowlands expansion where players could destroy his phylactery in the Sanctum of Domination and finally bring true death to one of the series’ most enduring villains. Tamsin’s claim that she was the best of her class might not have been at all exaggerated…

        • Alglyphic
          November 19, 2021 at 6:08 am

          Also, a slight correction. The Horde team isn’t dressed as soldiers, I keep mistaken Guff’s totem for an Alliance hammer like the one Cariel wields. Considering Tamsin is also a part of the Questline art, the analysis that Bru’kan is leading the team on the Varden rescue mission is accurate. Whoops!