Hesla, The Broken Ember

While wielding Riftcarver , Hesla Embersplitter is empowered by this demonic artifact and gains one additional reaction at the beginning of each of her turns.

Requirements Hesla Embersplitter is wielding Riftcarver

Hesla spins Riftcarver at high speed, making her Hidden from the triggering Strike or spell. If she still takes damage, she can attempt to redirect some of that energy back to the creature who damaged her by making a melee Strike with Riftcarver against a DC equal to the attack roll that hit her, even at range. If she succeeds, the target creature takes 12 spirit damage (double on a critical success, 24 spirit).

Trigger A creature within the monster's reach uses a manipulate action or a move action, makes a ranged attack, or leaves a square during a move action it's using. Effect The monster attempts a melee Strike against the triggering creature. If the attack is a critical hit and the trigger was a manipulate action, the monster disrupts that action. This Strike doesn't count toward the monster's multiple attack penalty, and its multiple attack penalty doesn't apply to this Strike.

Requirements Hesla critically hits a foe or critically succeeds at her Ember Spinner reaction

Demonic hands tear through reality, ripping at the soul of a different enemy selected at random within 30 feet of the initial target, dealing 7d6 spirit damage with a DC 32 will save.

Requirements Hesla is wielding Riftcarver

Riftcarver extends to an impossible length, dealing 6d8 slashing damage to all creatures in a 60-foot line with a DC 32 reflex save.

Requirements Hesla's last action was a successful Strike against a creature

Embers burn around Hesla Embersplitter's body as she absorbs their lost energy. She regains Hit Points equal to half the damage dealt.

As an unholy artifact, melee and ranged attacks from Riftcarver deal an extra 2d4 points of spirit damage to holy targets.