Grand Domain: Mastery

Grand Domain Feat (Prerequisite: Level 20+)

You gain the following benefits.

Ability Score Increase. Increase one ability score of your choice by 1, to a maximum of 30.

Domain Mastery. Choose one of your Grand Domain abilities that has a recharge.  If it recharged on a long rest, it now recharges on a short rest.  If it recharged on a short rest, it now has a recharge of 4-6 on a D6.  If it had a recharge of 4-6 it can be used at will.