Abbrieviation of "Priestess of The Moon".
A Night Elf hero character famous for the skill, Starfall.
In melee and DotA alike POTM fucks with opposing teams when played and built correctly.
Duc Huy: "Fuck, Slice can really play POTM good. His arrows and Starfall totally fuck with my Abaddon's shield."
Prices shown in USD.