A zanpakutou's final form is called "Ban-Kai", which means "Full Release". It usually takes many years to master it. A bankai can be ten times more powerful than the first release, "Shi-Kai".
"Ban-Kai" is a japanese term used in "Bleach".
Ex. - Don't tell me you have forgotten that I, too, have bankai.
- Then I will have to go all-out... Ban-Kai!
An Extremly shity sack of bud. If you get this you should beat the hell out of your dealer take the bud and his money from them and cock slap them to ensure ultimate shame to them.
Guy 1 "Man this is some bunkassbamer!"
Guy 2 "No its not this is hydro. Cant you see the red hairs?"
Guy 1 "Thats paper!" "Come here!" "You have offically been Cock Slaped." "Im takin your weed and you money bitch!"