Howl

Kill two enemies with a single Vault.

Set fire to three enemies with a single Exploding Shot.

Use three skills in a single round.

Kill three enemies with a single Piercing Shot.

Kill an enemy while under the effects of Shadow Step

Unlock level three for all skills.

Kill two enemies using Force.

Gain every Skull.

Unlock level three for any skill.

Kill two enemies with a single Smokebomb.

Unlock the last scroll slot.

Gain all Confidence.