The Lich starts it's first turn by summoning zombies in each hero's field.
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Zombie
The Lich cannot be targeted while there are zombies on the field. Healing actions deal 2x damage to this enemy instead. This enemy heals from the Poison status, with the negative effects negated. The Lich now starts a 5 turn alternation. The 1st and 3rd turn of this alternation is moving a random zombie to the field to its left or right.
Poison
The 2nd turn of the Lich's alternation is applying a Poison Gas. This move poisons all zombies still alive, and attempts to poison all heroes through Rock, Paper, Scissors. The Lich chooses Rock, Paper, or Scissors based upon a percentage, and if it wins, applies the poison status to the specific hero. If it ties or loses to the specific hero, nothing happens.
The 4th turn of the Lich's alternation applies 4 Protections to a random zombie.
Protection
The 5th turn of the Lich's alternation moves all zombies to one hero's field. The alternation then repeats.
Upon slaying the Lich, the boss fight enters it's second phase, summoning the Bone Tower. The Bone Tower on its 1st turn being summoned will summon it's left arm. The Bone Tower takes 2x damage from healing actions instead.
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The Bone Arms always have 6 health and follow a 2 turn alternation. On the 1st turn of the Bone Arm's alternation, it attacks all heroes for 3 damage.
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On the 2nd turn of the Bone Arm's alternation, it will attack a random hero for 4 damage.
After summoning its first Bone Arm, the Bone Tower will attack all heroes for 1 damage. If this damage reduces the heroes health, it will inflict the Poison status on that hero.
On the 3rd turn of the second phase, the Bone Tower will summon its right arm.
After summoning its right arm, the Bone Tower will attack all heroes for 1 damage. If this damage reduces the heroes health, it will inflict the Blight status on that hero.
Blight
On the 5th turn of the second phase, the Bone Tower will prepare its next attack.
On the 6th turn of the second phase, the Bone Tower will summon 2 additional Bone Arms on its left and right.
After summoning both arms, the Bone Tower will take a turn to recuperate.
For the rest of the fight, the Bone Tower will operate on a 2 turn alternation. The 1st turn will consist of attacking all heroes for one damage and attempting to inflict the Poison status.
The 2nd turn will consist of attacking all heroes for one damage and attempting to inflict the Blight status.