Blue Starfish
A monster that appears in the Lunar Sea Spire. It attacks by spitting out three stars from its mouth and firing them randomly at the Gems.
Blue Jellyfish
A monster that appears in the Lunar Sea Spire. It attacks by shooting an electrical sphere at one of the Gems. If the attack isn't blocked, it will paralyze the Gem it hit and render it unable to attack on the next turn.
Blue Angler
A monster that appears in the Lunar Sea Spire. It can give one of its allies a protective bubble, similar to Steven's Bubble. It can also attack by ramming itself into a gem.
Blue Pufferfish
A monster that appears in the Lunar Sea Spire. It attacks by first using a turn to charge up by inflating itself up, then blasting a Gem in the next turn.