(six paths level ninjustu I might use plus a new beast and a new demon item) info dump

Deep Crimson Spiral

Unsealing a Rasengan from his Rinnegan, Momoshiki amplifies the chakra to increase its size to a giant scale

Amenosubaruboshinomikoto: Ryūgū

The user extends their arm outward at the target with an open palm. A massive purple ball of energy is then unleash, followed by a immense demonic purple serpent

Daikokuten

an unspecified technique of Isshiki Ōtsutsuki. Through its use, anything he has previously shrunken using Sukunahikona can be stored within a dimension where time doesn't flow

sunkunahikona

Sukunahikona is a dōjutsu of Isshiki Ōtsutsuki's unspecified right eye. It allows him to instantaneously shrink himself or any nonliving matter within his gaze and return it to its original size at will. 

Chakra Edible Creation

By using their Rinnegan, the user is able to fully absorb the bodies of their target by turning them into chakra-filled edibles, which are shaped like Chakra Fruit. When eaten, they will transform into a demonic-like being, 

Kama

is a seal that serves as a compressed backup of an Ōtsutsuki clan member's biological data that they can embed in the body of a chosen recipient, transforming them into a vessel (器, utsuwa) for the Ōtsutsuki's will should they sustain fatal injuries. Over time the Kāma overwrites the vessel's genetic profile until their body transforms into that of a perfect recreation of the Ōtsutsuki template, at which point the Kāma disappears and the Ōtsutsuki can take over their body and resurrect

Rōen

a legendary monster resembling a cross between a tiger and a wolf

Though similar in size and power to a tailed beast, Rōen is merely an animal, driven by instinct instead of intellect. It can live forever so long as it absorbs chakra from others, which it does with the many tentacles that sprout from its back.

Demon Shinki

This seed was created by Shinga and was once sealed in the Konoha Sealed Hall.

When used by Shinga, it becomes a big tree, rapidly sucking out chakra from everyone within its vicinity and giving it to its master. The seed can be used as a recovery to give its master near immortality and infinite chakra. 

these lists are mostly for me to give me a direction and ideas