User blog comment:Martialmaniac/Chrollo, that chatterbox/@comment-17259909-20160509205629/@comment-17259909-20160512015614

Genthru explained Little Flower to intimidate the players. He didn't tell them that when he concentrates aura on his hands, the rest of his body becomes vulnerable. Plus, he was under the (correct) expectation that they would not be able to harm him.