Prisma Nimbostrat

No. 110 · Rare · Earth / Flying · Base form

Over time Nimbostrat has soaked up so much energy from the water that he has now grown into a mighty cloud. An umbrella is no longer enough for his opponents to protect themselfs from his attacks.

Ultimate Aegis: +Defense for the whole team for several rounds.

Evolution: Prisma Drizzlet → Prisma Sprinkulus → Prisma Nimbostrat

Sources: Getting Prisma forms