i did it! here is how i did it, its REALLY HARD llrl, to go to the fun guy, , then go get the key from rlll by going to shack. then the fight begins, press act and use heal and tire abilities, make sure you heal enough! despite him getting ubsurd helth, he will tire out, when he is, spare him, you will get you items and shard, nice. , head to town and steal from the smalll shop for gun and rubies, then kill the dealer in dark alley, you will get teh other key, go to shack and kill moth, then go in basement and use shard on demon, there you go!

Edit: added how get key

it’s not difficult, I for example make this ending before trying to make another ending, it’s very easy, go to town, Take the gun, go to the alley, kill the guy who is selling the weed, go to the forest go left left right left, go to the forest again and go right left left left, take the key And is it just battling with ???, Just heal yourself until you have 300 hp and then just tire it 4 times, then just go to the abandoned shack guy. The ??? There will always be 60 damage and will always start by missing the first attack.