Like his original Bankai, it compresses massive spiritual pressure into a small blade to grant Ichigo extreme speed and the ability to fire high-density Getsuga Tensho .
This form wasn't just for show; it was a necessary "bridge" that allowed Ichigo to fight at Captain-level once again. Ichigo's Fullbring Tensa Zangetsu (Bleach)
Because this form was born from Ichigo's attachment to his Substitute Soul Reaper badge , the blade functions as a medium for his Fullbring, making it a "wearable" manifestation of his combat identity. Like his original Bankai, it compresses massive spiritual
The blade became more serrated, featuring three sharp protrusions near the base of the blade and a jagged, hook-like tip. Like his original Bankai