Drown the unbelievers in a sea of blood!

Clear

Gretell says...

Umbra: It surrounds you with an aura of shadow, increasing your stealth and reducing the accuracy of all others within it. | +Inv: It lets you turn invisible. | Stlth+: It makes you more stealthy.

Henzell says...

Unrandart ring with {umbra +inv stlth+}. Surrounds you in a 3-square radius {umbra}, increasing your stealth and reducing the accuracy of everyone (excluding yourself) attacking in or out of the umbra. Roughly the same as +3-5 EV. Yred/Dith followers, including profane servitors, are immune to the accuracy penalty. Halo and umbra cancel each other on overlapping squares.

Information based on master branch and the great LearnDB.
© Dungeon Crawl Stone Soup, 2010.