Chromatic Spell Ooze

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing.

Spider Climb. The ooze can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Eat Elements. Whenever the ooze takes acid, cold, fire, lightning, poison, or thunder damage. The ooze heals half that damage rounded up.

Chromatic Burst. Whenever the ooze takes 10 or more points of damage in a single hit, a flash of colors erupts from it's body. Each creature within 15 feet of the ooze must make a DC 15 Wis. save or become blinded until the end of their next turn, and take 2d6 acid, cold, fire, lightning, poison, or thunder damage. Decided by a d6 roll.

Natural Light Source. The ooze emits bright light in a 15 foot radius and dim light for an additional 15 feet.

Pseudopod. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 4) bludgeoning damage plus 3 (2d6) acid, cold, fire, lightning, poison, or thunder damage. Decided by a d6 roll.