Here is the full list of all 35 Valfaris achievements.
Discover every secret area.
Find every weapon.
Defeat Furrok.
Kill Furrok by delivering the final blow with his own flaming hammers.
Upgrade 10 different weapons at least once in a single playthrough.
Destroy 60 crates in a single playthrough.
Destroy 70 lights in a single playthrough.
Fully upgrade a destroyer weapon.
Destroy all 9 Tetra Sentries in the Power Chambers in a single life.
Kill 10 Hive Workers by reflecting their gunk balls back at them in a single life.
Kill all 8 leaping Swamp Worms in the Eco-Dome.
Drop the wrecking ball on the Junk Gargoyle.
Fully upgrade a pistol weapon.
Exchange 15 Resurrection Idols for Blood Metals in a single playthrough.
Defeat the Ironclad Desolator.
Fully upgrade a melee weapon.
Motivate a Stone Worm in the Worm Tunnels 10 times during a single ride.
Defeat Itnan.
Upgrade a weapon for the first time.
Defeat Lord Jylskel.
Kill 1000 enemies in a single playthrough.
Parry an enemy melee attack 15 times in a single playthrough.
Hit an enemy with a Shield Counter-Blast 25 times in a single playthrough.
Defeat the Exterminator.
Defeat the Bloodstalker Queen.
Die 50 times.
Slash and destroy 40 projectiles in a single playthrough.
Defeat the Junk Gargoyle.
Die for the first time.
Defeat Hydravok.
Parry Hydravok’s heads 3 times in a single life.
Finish the Landing Pad without activating any checkpoints.
Complete the game in under 2 hours.
Finish the game with 10 or fewer deaths.
Finish the game in Full Metal Mode.