Here is the full list of all 42 Grave Prosperity - there are part 1 achievements.
Decapitate 3 Scavengers
Cut 3 Scavengers in half
Clear Easy Mode
Clear Normal Mode
Clear Hard Mode
Clear Masochist Mode
Clear Impossible Mode
Only Kill When Necessary
Clear Hard Mode In Less Than 15 Minutes
Kill All Enemies In Impossible Mode
Counter 15 Enemy Attacks
Upgrade To Lv.3 Attack
Upgrade To Lv.3 F Aid
Upgrade To Lv.3 Guard
Upgrade To Lv.3 HP
Blood Drained By Scavenger
Disemboweled By Scavenger
Jaw Taken By Scavenger
Face Destroyed By Scavenger
Cut In Two By Scavenger
Punched Through Back By Scavenger
Thrown From Balcony By Scavenger
Fed Own Arm By Scavenger
Face Ripped Apart By Scavenger
Decapitated By Scavenger
Torn In Half By Berserker
Head Crushed By Berserker
Killed By Abomination
Eye Impaled By Wanderer
Drowned By Wanderer
Face Destroyed By Wanderer
Split Down Middle By Wanderer
Head Split By Wanderer
Stomach Removed By Wanderer
Eaten By Funiculus
Bit In Half By Funiculus
Bit In Half By Funiculus Again
Exploded By Funiculus
Thrown Into Wall By Funiculus
Thrown Into Wall By Funiculus Again
Spit Out By Funiculus
Slammed Into Ground By Funiculus