He’s found at the end of one of the four points of the Arcane Sanctuary, in Act Two. And even then, Sekiro Demon of Hatred spawns only if you choose to abandon the Iron Code, side with Kuro, and turn on the Great Shinobi Owl. 00 Your Position: Home > D2 Resurrected (PC) > Keys & Parts > Keys > Key of Hate Keys drop from Riven encounter. You simply travel to Travincal and execute the High Council, including all of their minions. A friend of mine got 3 keys out of the summoner in 1 kill. He will only drop a Key of Hate on Hell difficulty, and even then only every few games.