he has a drill-shaped head that allowed him to concentrate all of his strength into that point Hasshoken Ogi: Kiryu Kirikugi [A secret Hasshoken technique that nikors was able to perform thanks to his drill-shaped head.nikros hardens his head with Busoshoku Haki and headbutts the target] Buto Kaiten [nikros plants his head into the ground and does a head stand, put his hands together and legs apart, and spins like a top. He then moves towards his opponent like a tornado]