Kyrzin's Ooze

Acid Breath. As an action, exhale acid in a 30-ft
line that is 5 ft wide. Each creature in that line
makes a DC 15 Dex save, taking 8d8 acid dmg
on a fail, or half as much a success. Once you
use this property, it can't be used again until
the next dawn.
Symbiotic Nature. The ooze can't be removed from
you while you're attuned to it, and you can't
voluntarily end your attunement. If you die while
the ooze is inside you, it bursts out and engulfs
you, turning your corpse into a blac