The swords they use have abilities and what not, they start off as regular swords, then they can power up to Shikai which has some sort of power, like Renji's sword disconnects into a long chain sword, To enter shikai you have to know your swords name. Bankai is an even stronger form, with a different power. Do you want me to come up with a Character Template?<img alt=":D" class="smilie smilie--sprite smilie--sprite8" data-shortname=":D" loading="lazy" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" title="Big Grin    :D"/>