Kill 1000 enemies.
Defeat the first Boss.
Kill 2500 enemies.
Destroy 10 "Bomb" shadows before they explode.
Defeat the second Boss.
Reach 1000 light resource in any battle.
Fully explore the William’s memories map.
Moment of truth
Defeat the last Boss.
Watch the credits till the end.
Kill 5000 enemies.
Cast 20 spells during a battle and win it.
Reach 2500 light resource in any battle.
Pass all the special battles.
Defeat the third Boss without using the "Sacrifice" spell.
Unlock all the spells in the book.
Win the "Ice trap" battle without using the Greedy companion.
Gulp a dozen "Shell" shadows down with your Greedy companions.
Catch them all!
Unlock all of your companions’ upgrades in the book.
Use 10 different companions during a battle and win it.
Save all the memories in nightmare mode.
Get 250 magic resource in any battle.
Defeat the first Boss without letting any of your companions get electrocuted.
Win "The slabs waterfall" battle using only Collector and Rainbow companions. (Spells are allowed)
Win "The endless corridor" battle using only Collector and Greedy companions. (Spells are allowed)
No harm done!
Defeat the second Boss without using the Doc companion or the "Care" spell.
Sell 30 companions during a battle and win it.
Cast at least once each 10 spells during a battle and win it.
Win the "Underneath the Christmas tree" battle using only Collector and Pulsor companions. (Spells are allowed)
Make it so that 4 Collector companions get destroyed in "The snowmen’s waltz" battle.
Win the "Dark woods" battle without using any range boost locations.