Here is the full list of all 41 Boons & Burdens achievements.
Defeat the final boss.
Trigger and dodge 50 Portal Phantom explosions in a single game.
Fully charge a portal without taking damage while the Shrinking Circle sacrifice is active.
Beat a level in 1 minute or under.
Collect 666+ gems in a single level that you then complete.
Equip 10 unique Keystone Glyphs in a single game
Reach combo level 5 and maintain it for 1 minute.
Open 25 chests in a single game.
Kill 30 chickens in a single game.
Freeze 50 enemies with the Cryomancer's Innate ability in a single level, and survive.
Freeze 50 enemies at once with the Cryomancer's Theurgic ability.
Damage 15+ enemies with a single use of the Pyro's innate ability.
Damage 300 enemies with the Pyro's innate ability in a single game.
Use your theurgic ability twice in a single level.
Kill 3333 enemies in a single game.
Don't let a single Sqyd escape during the Burden of Swarms.
Beat the game as the Pyromancer.
Apply Burn to 666 enemies in a single game.
Complete 4 burdens in under 2 minutes in a single game.
Beat the game with 3+ cursed boons equipped.
Beat the game as the Cryomancer.
Complete the burden of defense without missing a single dark fairy.
Deal 150,000 beam damage in a single game.
Summon 250 units in a single game.
Equip 42 boons in a single game.
Destroy 15 Gold Deposits in a single game.
Choose the Burden of Survival at least twice in a single game.
After stage 4, spend 20+ seconds outside the safe area in the Burden of Constraint and complete the stage.
Achieve victory with only 1 ring equipped.
Achieve victory with 5 rings equipped.
Unlock 15 rings.
Upgrade 15 rings.
Achieve victory in difficulty level 2 of classic mode.
Achieve victory in Arena mode.
Damage 150 enemies with Cold Shoulder in a single game.
Drink 5 different potions in a single Arena game.
Fully charge 5 upgrade beacons in a single Arena game.
Reactivate your Lightspeed innate ability and return to your original position 50 times in a single game.
Trigger the static detonation effect, when 6 enemies are marked by static at once, 7 times within the first 2 minutes of combat in either game mode.
Trigger 60 lightning strikes with the Thunderbird's Talon in a single game.
Achieve victory in either mode with the Electromancer.