Would this work

[Valafar The Black]

One of my pc wants to polymorph his phylactery to be water so it would disperse so the ocean would be his phylactery can he do this

[Purple Dragon Knight]

Valafar The Black wrote:

One of my pc wants to polymorph his phylactery to be water so it would disperse so the ocean would be his phylactery can he do this

That would destroy the philactery

[Cevah]

Let him transform it, but it does not disperse. Instead, it becomes a small ball of cloudy/dark water that wanders the oceans. Hope he likes being a fish, since if he is "killed", the nearest entity is probably a fish monster.

/cevah