Bleach Episode 101 Here

Captain of the 12th Division. He showcases his ruthless scientific approach to combat, treating his enemy as a mere "guinea pig" for experimentation.

To finish the fight, Mayuri releases his terrifying Bankai, Konjiki Ashisogi Jizō . The giant, caterpillar-like entity releases a lethal poison mist. Although Sawatari attempts to have Baura absorb the poison, Mayuri's Bankai stabs the Doll with multiple blades, causing a massive explosion. Bleach Episode 101

Overcome by Mayuri's superior tactics and poison, Sawatari attempts to bargain for his life but is mocked by the Captain. He eventually succumbs to the poison, turning into dust—the fate of all Bount who die. Captain of the 12th Division