Here is the full list of all 52 Mahokenshi achievements.
Win Mission "Gateway to the Underworld"
Win Mission "Rotten Skerry"
Complete Challenge "Safety Measures"
Complete Challenge "Cleaner"
Win Mission "Tainted Lands"
Complete Challenge "Master Sealer"
Complete Challenge "Rural Guardian"
Win Mission "Lord of the Goblins"
Complete Challenge "Regulator"
Complete Challenge "Goblin Soup"
Win Mission "The Summoning"
Complete Challenge "No Mercy"
Win Mission "Invasion"
Complete Challenge "One for the road"
Complete Challenge "In the Pit"
Win Mission "Cradle of Shadows"
Win Mission "Pit of Darkness"
Complete Challenge "Purificator"
Complete Challenge "An Eye for an Eye"
Win Mission "The Goblin Swarm"
Complete Challenge "Master of Speed"
Complete Challenge "Not on my Watch"
Win Mission "The Cult Conspiracy"
Complete Challenge "Without a Hitch"
Complete Challenge "Mortal Dance"
Win Mission "The Enchantress's Dream"
Complete Challenge "Free Spirit"
Win Mission "Ambush"
Complete Challenge "Solo Hunter"
Complete Challenge "Not a Scratch"
Complete Challenge "None Shall Pass"
Win Mission "Scholar of Corruption"
Complete Challenge "Aegis of the People"
Complete Challenge "Beast executioner"
Win Mission "Scorching Menace"
Complete Challenge "Not Even Close"
Complete Challenge "The Cult's Nightmare"
Complete Challenge "Demon Slayer"
Complete Challenge "The Wall"
Complete Challenge "Methodic Planner"
Win Mission "The Shattered Blade"
Complete Challenge "Rushed"
Complete Challenge "Perfectionist"
Win Mission "Waves of Destruction"
Complete Challenge "Lust for Power"
Complete Challenge "Ascetic"
Win Mission "The Enchantress's Nightmare"
Complete Challenge "Extreme Velocity"
Complete Challenge "Risk Taker"
Win Mission "Avatar of Corruption"
Complete Challenge "Damage Dealer"
Complete Challenge "Handicap"