Take down two or more enemies with one shot.

Clear insects off a door using a knife.

Avoid Jack's scissor attack by crouching.

Finish off an enemy with the knife.

Put an unrelated object on a shadow plinth.

Block an enemy attack by guarding.

Use a lock pick to open something.

Obtain something by closely examining an item.

Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).

Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.

Complete the subplot involving Keira Metz.

Learn 12 potion formulae.

Find Yennefer of Vengerberg.