Fae-Mortar Harness

(Equip - Polly, Zed, or Onyx)
Your Companion can use this Item once
per combat as an attack. Choose a target
within 60 feet that your companion can see.
Roll GRACE. Apply a -1 modifier if your
companion moved this round or during
their last round (including if they were
carried), then apply another -1 modifier
if the target moved this round or during
their last round. On a partial success, deal
damage. On a full success, deal extra damage.