Just to be clear Otsutsuki don't need to pick one of these.

Name: Momoshiki
Rank: N/A
Range: Close to hands.
Elements: N/A
Specialties: Chakra Absorption
Hand Seals: N/A
Description: https://naruto.fandom.com/wiki/Momoshiki_%C5%8Ctsutsuki

Momoshiki's Rinnegan replaces the Otsutsuki ability. It can absorb any physically present close techniques and then replicate techniques at maximum advantages.

Group or Character Tied?: The one who gets it.
Requirements: Otsutsuki
Deriving: Chinese wuxia pills that let you live longer.

Name: Urashiki
Rank: N/A "B"
Range: Just not a village.
Elements: N/A
Specialties: Chakra Absorption
Hand Seals: N/A
Description: https://naruto.fandom.com/wiki/Urashiki_%C5%8Ctsutsuki

Urashiki's fishing rod is B-rank currently. On absorbing from someone it can replicate all non-dojutsu techs witnessed, and 1 random technique. All techniques absorbed are stuck at base stats with no advantages and if higher than B become B-rank in stats.

Group or Character Tied?: The one who gets it.
Requirements: Otsutsuki
Deriving: Fishing rod whipping customs.

Name: Kinshiki
Rank: N/A
Range: N/A
Elements: N/A
Specialties: Chakra Absorption
Hand Seals: N/A
Description: https://naruto.fandom.com/wiki/Kinshiki_%C5%8Ctsutsuki

Kinshiki can create no-cost unique permanent summon-able weapons for each PC person absorbed from but can't absorb techniques.

Group or Character Tied?: The one who gets it.
Requirements: Otsutsuki
Deriving: Glowy red items.