You can absorb a creature to obtain some of it's power in a controlled way.The DC changes depending on the size of the creature.This spell has no effect if the creature has over 200hp. If it has under 100 hp then the creature is reduced to 0 if the spell succeeds. The Creature must succeed a DC:19 CON save or the creature becomes part of your character and you can transform into them for an hour if they aren't gargantuan or colossal.

Tiny Creature DC:10
Medium/Small:DC15
Large/huge DC:20
Gargantuan/Colossal:DC:25

Roll on this Table To see what you get from them:

D6-
1-2,You gain 1 sense or language of the creature For example: Darkvision,Truesight,Telepathy
3-4,You gain one ability of the creature.Excluding Legendary actions or resistances.
5-6,You gain 1 of the creature's attacks including any innate spells it has if you have access to slots for those levels of spells.

These Effects only last for 1d20 days after which you loose them.