Here is the full list of all 17 Bloody Ending achievements.
Find the fake chest
Reach the 30th Infernal Floor
You choose the Bad Ending.
You reached the Blood Part
Get free cash from Pandurai
Congratulations you finished the game
Win the Duel
You beated Pouky
You made a Copper Vest
Infiltrate the Hide Out
You found the 1st pendent
You made a Reflect Wand
You made your own Potion
You made a Holy Saber
You beated Sukinay
You beated Keido
You beated Zolfa