Originally posted by Ciri
Anyone got a save before the guardian ape fight? i missed the "Guardian Ape Immortality Served" Trophy
You get the trophy after the fight with the Ape.
You have to head to the Ashina Depths idol. Run down into the space and fight him.
Beware of his Terror attack, even with modded health, he will one shot you.
After you beat him, you will see the prompt for finishing him. Just press R1 and the trophy will pop once Sekiro kill him.