Secret of the Celts

From publisher blurb: Queen Morgana's aberrant magic casts a shadow across Albion, reaching into the fae-bound Caledonians. Across the sea, the island of Éire finds itself threatened by corrupt magic. Ley-line power binds ancient artifacts to the land to protect it, and awakens powerful guardians to defend against the encroaching powers. 2 new caster classes: The draoi calls on ancient spirits, and the upthog traps magic in powerful artifacts 6 new subclasses 50 new spells new magical creatures, character options, and items new mechanics for location-based attunement and exploration