Your feathers change in pigmentation according to the type of creature you have killed last., once you have absorbed at least a drop of their blood. When you cast the spell, choose one of the following options, the effects of which last until you have had a long rest. While the spell lasts, you can end one option as an action to gain the benefits of a different one. You may use the spell several times, and maintain the effects of the previous effects.

Character Modifications:

If you absorb the blood of a tiny creature:

1) You are able to make the same noises as that creature (this changes the shape of your mouth)

If you absorb the blood of a small creature:

1) You may use effect above

2) You are able to emit the same smell as that creature (this changes your skin to that of the creature)

If you absorb the blood of a medium creature:

1) You may use two of the effects above

2) You may experience your surroundings as they had (this changes your head, hands, and eyes)

If you absorb the blood of a large creature:

1) You may use three of the effects above

2) You may develop one of the natural weapons of the creature (this may change your mouth, hands, legs, or maybe even tail)

If you absorb the blood of a huge creature:

1) You may use three of the effects above

2) You may develop all of the natural weapons of the creature (this may change your mouth, hands, legs, and maybe even tail)

If you absorb the blood of a gargantuan creature:

1) You may morph into the creature above, but you retain your current size

 Ability Modifications:

If you absorb the blood of an Aberration:

- Your intelligence modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your constitution modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your strength modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Beast:

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your strength modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your dexterity modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Celestial:

- Your alignment becomes Good

- Your constitution modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Construction:

- Your alignment becomes that of the creature

-Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- You gain one item (Common when tiny, Uncommon when small, Rare when medium, Very Rare when large, Legendary when gargantuan)

If you absorb the blood of a Dragon:

- Your alignment becomes that of the creature

- Your intelligence modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your charisma modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of an Elemental:

- Any damage (not spells) you cause is in the form of that elemental's type (if you have multiple, you may choose the type)

- All spell damage increases by a d4

- Your charisma modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Fey:

- All spell damage increases by a d4

- Your charisma modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your strength modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Fiend:

- Your alignment becomes Evil

- Your strength modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your charisma modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Giant:

- You size is increased by one

- Your strength modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Humanoid:

- One modifier of your choice increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature) 

- One modifier of your choice decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Monstrosity:

- All entities within a 20 foot radius have a decreased constitution modifier of 2

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of an Ooze:

- Your dexterity modifier increases (1 when tiny creature, 2 when small, 3 when medium, 4 when large, 5 when huge, 6 when gargantuan)

- Your charisma modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Plant:

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your constitution modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of an Undead:

- Undead recognize you as one of their own, until you cause damage to them

- Your intelligence modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your dexterity modifier decreases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

- Your strength modifier increases (1 when tiny or small creature, 2 when medium or large creature, 3 when huge or gargantuan creature)

If you absorb the blood of a Tag:

- Determined by the DM according to the tag