'FEATHER SHIELD' Syntax: commune 'stone skin' (replaces the effect) The Feather Shield, a replacement for the Avian Healer's Stone Skin spell, provides a protective barrier of thick, white feathers. This ethereal shield offers enhanced armor class and insulation against extreme temperatures, shielding the healer from both scorching heat and biting cold. Int and dex must be at maximum to be able to form a feather shield.