Classification: Shinigami, (former) Gotei 13 captain (3rd division)
Threat level: Dragon-
Age: 100+ years old
Physical strength: At least town+ level striking (can easily swing his zanpakuto with enough strength to cleave through multiple blocks worth of buildings)
Destructive capacity: At least city (via scaling, also, Kamishini no Yari is several kilometers long so he could cut down through a small city with a 360 angle swing), Kamishini no Yari also ignores durability if it pierces during the extension (has cellular destroying poison in its interior which comes into contact with whatever is in its straight line as it shoots out and reforms)
Durability: City (at least comparable to the higher Espada)
Speed: High hypersonic+, possibly massively hypersonic for Kamishini no Yari's extention
Intelligence: Genius. A prodigy that appears once a century. One of the most cunning characters in the series.
Stamina: Very high.
Standard Equipment: His zanpakuto (Shinzo)