Ichigo Final Getsuga Form Final getsuga tensho is just a getsuga tensho that uses all of ichigo s reiatsu his own spiritual energy reserves in a single strike ichigo himself quincies can absorb both reishi and reiryoku

The final getsuga is actually the last stage of bankai where the zanpakuto spirit integrates with the shinigami and both of them the reason it is called the final getsuga tenshou for ichigo is maybe because his form is purely offensive and the black getsuga flames are what make