Can be found in the upper right corner of the catacombs [M3.2].
Battle Puzzle I
Prize: 700 gold, 4 ores, 2 rubies, Blood of The One
Remove the green Zombie standing beside the bone wall and afterwards move the purple Guard from the left edge of the battlefield to the right.
Place the two other green Zombies behind the green Vampire and eliminate the blue monster to create a formation. Use your two last moves to attack the purple Vampire and you will solve the puzzle.
Battle Puzzle II
Prize: 1000 gold
Requirements: Bone Dragon
Remove the blue Zombie surrounded by purple Guards  and you will activate the first attack formation .
Afterwards move the second Zombie behind the head of the Bone Dragon and remove the Guard standing beside the head. Remove the last Guard from behind the Dragon to create a second attack formation. Use the left moves to attack with the last Vampire . That way you will solve the puzzle.