Sovereign Umbrakinesis

You are immune to mundane darkness penalties and resistant to necrotic damage. Your magical darkness suppresses non-divine light of Tier 8 or lower, and effects below Tier 9 cannot reveal, track, or outline you by shadow, silhouette, mundane light, or darkvision unless you choose.

This power has its own stable page so it can be linked from any character, item, location, story post, bargain, curse, or future reward.