What is the lunar ribbon in Pokemon Mystery Dungeon 2?

It is the object that works as "the night" in Pokemon mystery dungeon 1 and 2.

It evolves:

Gligar-Gliscor: with razor fang too.

Sneasel-Weavile: with razor claw too.

Eevee-Umbreon: with 4 stars of IQ.

And maybe other Pokemon evolve too, good luck!!