Ephemeral Shield

Rank	Effect	Flavor
1	A shield forms around you when casting spells or using Invocations. (SH +7)	Ambient excess energy start collecting around you.
Whenever you use spells or divine abilities with any costs, a shield forms to guard you. The shield created by casting spells lasts for 2 turns, but for invocations the duration is 3-5 turns.
Good mutation