Clerical Work: Specialty Priests of Grumbar for D&D 5th Edition

I'm importing the idea of Specialty Priests and channeling a bit of DnD 4E by treating them as Feats.

Specialty Priests of Grumbar

Earthwalker Feat

Prerequisite: Monk with Way of the Four Elements Monastic Tradition

• Eternal mountain defense, gong of the summit, and wave of rolling earth each cost you 1 less ki point to cast.

• You have advantage henever you make an Intelligence (History) check related to the origin of stonework.