Force Shield Mastery (Item Mastery, Mythic)

You can project stronger shields on other creatures too.

Prerequisite(s): Force Shield Mastery.

Benefit(s): You gain an additional daily use of Force Shield Mastery at 1st mythic tier, plus one additional use at 4th, 7th, and 10th tier. You can force the item to cast shield other or shield of fortification by spending 2 daily uses of the feat, or greater shield of fortification by spending 3 daily uses. If you also expend one use of mythic power, you can cast the mythic version of the selected spell instead.