Yumichika's zanpakuto drains the opponent's body of all of its reiatsu. As 더 많이 and 더 많이 of their reiatsu is drained the buds continue to grow, until they are sucked dry. When this happens, the buds fully bloom in to flowers, which Yumichika can eat to regain reiatsu.
posted over a year ago
when he fought hisagi lutinante of squad 9 kenpachi said yammachika looked healthier than befor the fight
Yammachika's Zanpakuto make's vine's appear that completely subdew the enemey and once the enemey is subdewed little buds of the person's reitsu starts to appear once the buds fully grow the enemey is dead
Yumichika's Zanpakuto is a peacock-like zanpakuto that is spiritual energy based, as it extends outwards with vines it drains the energy from its opponents, making the buds along the vines bloom. Although it says it is based on a peacock, it appears to be 더 많이 of a plant 또는 vine.