Adult Dragon
- Location: Starting Island, Dragon Cave on the eastern side
- HP: 30
- ATK: 5
- DEF: 3
- EXP: ???
- Drops: 1× Fire Gem, 3× Dragonblood
- Attacks: Fire Breath - Continuous, high ranged attack that targets the player and can break blocks.
- Element: Fire
This is an optional boss for the Dragon questline. The Adult Dragon can be "respawned" by raising Dragons. Will not attack player unless attacked first. The Dragon will fly around and chase the player. It will return to its nest if the player flees. The Dragon has the fire element and takes more damage from water and earth element weapons
Golemech
- Location: Starting Island. Golem factory on the east side, deep underground. Access requires Earth Gem.
- HP: 60
- ATK: ??
- DEF: 5
- EXP: ???
- Drops: 1× Earth Gem, 3× Blood Gem
- Attacks:
- Golem Spawn
- Fist Smash
- Eye Laser
- Element: Earth
After the initial boss fight, it can be respawned with an Earth Gem at the Golem Factory.
Wyrm Queen
- Location: Magic Island, Underground portal on the east side.
- HP: 12
- ATK: 0
- Weapon Of Choice :???
- DEF: 9
- EXP: ???
- Drops: 2× Spirit Gem, 2× Dragonblood
- Attacks: None. Spawns Wyrms, which is her main "attack".
- Element: None
Lanterns or any item that illuminates areas are recommended. The Wyrm Queen is nigh invulnerable(Fire is semi-effective). She does not attack directly. She spawns Wyrms, which can attack the player. The only weakness is when the Queen opens her mouth to spawn Wyrms. The Queen will respawn when the player either leaves the arena or stays in the arena long enough. She will not respawn in the original den, however.
Mirrows
This is a dual boss fight. Like the dragon questline, this can be an optional boss fight.
Lightning Mirrow
- Location: Science Island. Desert Spaceship
- HP: 30
- ATK: 16
- DEF: 4
- EXP: ???
- Drops: None
- Attacks: Lightning ball, Lightning Hand
- Element: None
Tentacle Mirrow
- Location: Science Island. Desert Spaceship
- HP: 30
- ATK: 11
- DEF: 4
- EXP: ???
- Drops: None
- Attacks: Charge
- Element: None
The Old One
- Location: Magic Island, underground Bedrock chamber
- HP: 45
- ATK: ???
- DEF: 25, 3 when overcharging
- EXP: ???
- Drops: None
- Attacks:CHARDE
- Magic Homing Balls
- Dash
- Laser Beams
- Element: None
Defeating this boss gives the player the incomplete Magic ending.
Kraken
- Location: Underwater Between Sunset Haven and Escort Ship Island; In Cave on Pirate Island
- ATK: ???
- DEF: 5
- EXP: ???
- Drops: Water Gem, Ink x3
- Attacks: Tentacles
- Element: Water
Ice Torpedoes are extra effective against the Kraken. You need to destroy the tentacles to access the head, shooting at the head will decrease its HP.
The Cultivator
- Location: Cultivator Island
- Atk: ???
- Def: ???
- Exp: ???
- Drops: ???
- Attacks: ???
- Element: Plant