This is the easy method to beat the Demon of Hatred in Sekiro: Shadows Die Twice. It talks through the use of the malcontent tool as well as how to dodge his primary attacks. In order to get the malcontent tool, you have to return to the poison pool after defeating the guardian ape. Kill the boss that awaits then return again and kill this shimichen mini-boss. Now upgrade the finger whistle. Easy! If you need more help head to thelootgaming.com for loads of Sekiro guides.