Surtr banner

Surtr is an interesting unit in the history of Arknights powercreep because she was the first unit that really made people go ‘WTF’. Few Operators can claim a catchphrase as common and simple as ‘Just Surtr it’, something that is still kinda true even five years (as of this writing) after her release. Of course, with so many giga-powerful units in the meta these days, she's no longer as special as she used to be, but her mix of invulnerability, RES-shred, super short wind-up, and strong Arts damage all makes for one of the few kernel 6★s still relevant in the modern game. Surtr is simple when it comes to Masteries. Her S3 is why she's special, so the only skill really worth considering, and the Mastery gains on it are strong enough to still treat with a high priority. Notably, she gains an additional target at M3, which is the huge sort of gain we just don't see anymore. The reduced SP cost is likewise important and her damage gain is massive, all making for one of the more valuable Masteries in the game, although her reduced place in the top of the meta does knock it off of its old S++ crown. Further Mastery with Surtr is unnecessary. Her S3 is just so overwhelmingly better that