Zanjutsu

is the most used form of combat among Shinigami. As the name suggests, it involves using a Zanpakutō and its various special abilities to attack an opponent. In addition to its basic form, each Zanpakutō has two enhanced forms: and, which change the sword's form to unlock its potential and that of its user.

Swordsmanship Specialist:
Swordsmanship specialists are self-explanatory- They are shinigami that specialize in the use of swords during combat. A swordsmanship specialist need only have a few abilities to be referred to as "specialist": The shinigami must have a skill level at least equal to that of a seated officer in swordsmanship, as well as know their first release, or Shikai. This makes most seated officers, all lieutenants, and all captains swordsmanship specialists.