Rated T0.5 in MoC, PF and AS as a strong and flexible DPS whose Ultimate runs on stacks from her Skill and allies' debuffs instead of Energy. Benchmark and leaderboard teams pair her with Mortenax Blade and Hyacine.
What the leaks sayThe posts do not state Acheron's element, weapon or role; they concern an Ex-Eidolon (EX) form of her tied to version 4.7. Vetted showcase posts run her at EX0 to EX2 with Mortenax Blade, Ashveil, Silver Wolf, Aventurine, Sparkle, Tribbie, Robin, Gallagher, Hyacine, HuoHuo and Welt against 4.7v3 Memory of Chaos bosses such as Nikador and a 19M HP Dark Sam, Pure Fiction with Argenti, and Apocalyptic Shadow with Banacademic and Asat Pramad, posting 0 to 2 cycle clears. One showcase image shows a Pure Fiction clear with the label Frost Convergence and partially illegible damage numbers. A vetted post links an Ex-Eidolon showcase, an unreviewed post adds a slow version of her follow-up attack, and an unflaired post lists Ex-Eidolon effects for Acheron, Dan Heng IL and Jing Yuan without giving them here. No post states her mechanics, eidolon text or release version.