Kakine : #2 Level 5 , killed by accel at vol 15

I kinda thought that was bankai Ichigo from the thumbnail.

Don't hit me!

he didnt get killed. he has returend at vol 19

hah? return? the only thing return only his brain that still creating "Dark Matter", i won't say it is him

Wiliam said:
hah? return? the only thing return only his brain that still creating "Dark Matter", i won't say it is him

Aleister's mentor refers to Kakine by his name not "Dark Matter", meanwhile his body is being repaired(contained on a frid.ge-like machine), then he still has chances to return-------.