The Loricatus charm took affect just before the Runespoor reached you, causing it to bounce off of you instead of latching on to any of your limbs. Quick thinking on your part! The Runespoor backs up just enough for you to have time to re-read the runes.

Again, when you struck each of the heads with Verdimillious Tria, they all hissed simultaneously, and much louder than previously, twitching a little because of the electrical current. This has no other effects and just makes the creature angrier than it already was.

Trying to tame the beast with charms doesn’t seem to be doing any good. Perhaps you should consider a different branch of magic…