WASD Boss Health is on a timer, so you need to survive until it reaches 0. When it dips below 75, the Sphere will become purple, more aggressive and faster. Do NOT get touched by the Sphere during its spike attack.
"Smooth Glide" custom script by @ArcanisHD Zapsplat for some sounds Nick Nitro for his "UN Owen was her v3 NITRO remix" https://soundcloud.com/ytnicknitro/touhou-un-owen-was-her-v3-nitro-remix Me