(Ahhh.....sorry kishin you got the short straw. Also, fyi for eveyone if you had helped Minx remember who she is and brought her to dark side, he would of let you kill him. Too late for that now though, the secret ending is locked out.)
Tsubaki, as she is working on a cyborg, is reduce to little more than ash by a force wave from dark side. He then enters Maka's house and kills her, ripping her to small giblets with the force.