5 dashes after nightmare lantern dreamnail perfectly align you with the left edge of the lantern for wiggles with the inner hitbox of the cyclone slash: https://clips.twitch.tv/SmellyHomelyLionAMPEnergy-HIJWxid2SYJrh-jY
I guess you can technically do it even faster on the right edge of the lantern, but the slow camera makes it very curse to align yourself
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