Accumulate 1234 Demonic Essence.

Gain magical power by increasing your Otherworldly Candle limit to 300.

Accumulate 666 Demonic Essence.

Gain magical power by increasing your Otherworldly Candle limit to 999.

Pass any challenge.

Pass 11 challenges.

Pass 33 challenges.

Going to Hell and getting out alive.

Complete the first mission in Hell mode.

Lead a coup in Hell and remove the Devil from power.

Complete the missions of the fifth underworld in Hell Mode.

Get through all the missions of the fifth underworld without ever lowering the game's difficulty below the third.

Gain knowledge of a new battle technique from the Dark Samurai as payment for his life.

Complete the missions of the second underworld in Hell Mode.

Get through all the missions of the second underworld without ever lowering the game's difficulty below the third.

Bring the Dark Pharaoh to your side.

Complete the missions of the first underworld in Hell Mode.

Stop the army of the dead and their leader, the White Lord.

Complete the missions of the third underworld in Hell Mode.

Don't succumb to the Old Witch's charms and get her sister on our side.

Complete the missions of the fourth underworld in Hell Mode.

Get to know the developers.

Deal 15 damage to a target with only one hero attack or ability.

Make any hero upgrade using Hell Crystals.

Take the maximum number of conjured items into an adventure.

Take 5 conjured items into an adventure.

Kill 2 enemies with one hero in one turn.

Kill 3 enemies in one turn.

Kill 4 enemies with one hero in one turn.

Kill 7 enemies in one turn.

Kill an enemy with a hero who has 1 health point left.

Kill 15 enemies with scrolls in an adventure.

Unlock access to the conjuring of all items.

Meet the Devil.

Unlock all first level upgrades in any hero's upgrade tree.

Fully learn all the skills.

Discover the unbelievable truth.

Learn any skill.

Learn one any skill to the max.

Spend 20 Quills of Knowledge on learning skills.

Spend 5555 Hell Crystals in the upgrade menu on all heroes.

Spend 66 Hell Crystals on one hero.

Spend 777 Hell Crystals in the upgrade menu on all heroes.

Start a new adventure.

Save the hero from death by using the magic rune of reverse.

Buy upgrades for one hero with a total bonus of 10 health for one adventure.

Buy upgrades for one hero with bonuses to health, attack damage, and ability power during one adventure.

Buy an upgrade for a hero using Demonic Essence.

Buy 6 upgrades for heroes using Demonic Essence in one visit of the store.

Buy 3 upgrades for heroes using Demonic Essence in one visit of the store.

Use scrolls 20 times in an adventure.

Utilize the magic of each rune.

Use any item in a battle.

Use 3 potions on 1 hero in an adventure.

Use an item in the upgrade shop between levels.