Koyuki Kurosaki

Koyuki Kurosaki (小雪黒崎黒崎, Kurosaki Koyuki) was a true Echt-Quincy, and is the older brother of Masaki Kurosaki, and uncle of Ichigo Kurosaki, Yuzu Kurosaki and Karin Kurosaki, and also the great-uncle of Kazui Kurosaki. However, Koyuki disappeared when Masaki died at the hands of a Hollow.

Powers
Immense Spiritual Power (Assumed) - It was told by Yhwach that Koyuki was the most :powerful Quincy, even more powerful then himself, and is assumed he would possess immense spiritual power.
 * Takai shīru - Takai shīru is a unique power that was made by Koyuki. By using his research on the Kidō technique used by the Shinigami, he was able to make this one. However, it turned into a Bakudō. When activiated, it cast the target around in a high-rapid winds of air, and the wind speed is so great, if anyone tries to escape, they be torn to shreds. This is the only spell made by a Quincy that resembles a Bakudō.