What do I do, what can I do!? I can't fling the spear with any real momentum like this, and it was too short to reach-...wait, what if I extend the handle out by forming more ice along the length of it? It was worth a shot!
I grabbed the claw hovering above my heart and formed a shard of ice inside it, snapping the finger off, before raising my left arm and angling the spear in the direction of its chest. I held the spear by the base of the blunt end and channeled as much Mana through it as I could, the handle extending out rapidly and reaching the monster's chest...but without enough force to pierce through.