Here are the 3 main bosses of each dungeon:
Name:Raiza
Level: 30
Hitpoints:
Location: Silverpine Forest
Drops: Has a 2% chance to drop a unique item.
Reward: 2 Lumber
Abilities: Raiza is able to buff himself increasing his base damage by 100% and armor by 250, he uses magic attacks to defeat his enemies.
Name: Kuroky
Level: 45
Hitpoints:
Location: Trisfal Glades
Drops: Has a 100% chance to drop any level 20~30 upgraded armor in the game, each piece has a 2% chance of appearing.
Reward: 3 Lumber
Abilities: Kuroky has the ability to freeze units in the area for a short duration, he also has a small chance to deal 10 times normal damage.
Name: Will-o-Wisp
Level: 60
Hitpoints:
Location: Magma Dungeon
Drops: Has a 100% chance to drop any level 60+ upgraded armor in the game, each piece has a 2% chance of appearing.
Reward: 4 Lumber
Abilities: Will-o-Wisp has the ability to unleash a meteor stunning his target for 4 seconds, all of his attacks deal splash damage.