4e psionic classes

PsioNic POWER' Options for Ardents, Battleminds, Monks, and Psions ROLEPLAYING 4: PSIONPlaying a Psion New Build New Powers New Paragon Paths 5: PSIONIC Psion Tips? Gnome Psion (Telepath) 4 Also: community.wizards.com/wiki/dnd:CharOp/Controllers/Psion/Handbook. Psion is a psionic controller class in 4th edition Dungeons & Dragons. allowing you to use magical rituals (see Chapter 10 of the Player's Handbook).