Summon Horror The Void v1.3

Make a Spellcast Roll against a target within Far range. On a success, spend a Hope to call forth a large fiend or otherworldly creature to attack them and deal d10 magic damage using your Proficiency. The target must also make a Reaction Roll (12) to steel themselves from the horror. On a failure, they mark 1d4 Stress.

After making the attack, the horror dissipates.