Whilst all the group were attacking this new beast, Nurin had retreated back a few paces, staring blankly for a time, his mind racing as what to do. In his experimentations he had heard of - but never had a chance to study - a wraith. What should he do...?
His mind abruptly clicked, however, and he lowered himself to a kneeling position on the ground after daring himself to get within just a few feet of the creature. Nurin withdrew his enchanted dagger, but instead of thrusting it at the creature, he lodged that blade deeply into the stone floor, the enchantment upon the blade allowing the steel to slide through with ease. Nurin began steadily carving a phrase of odd runes into the ground - and any who studied those runes would see he was etching out letters identical to to the golden symbols which were placed on that stone altar.
Nurin, however, had not carved such runes in quite a long while, so he was pausing quite often to attempt to remember what the next symbol was - he knew if he got it wrong, disastrous results could occur. So unless the wraith was otherwise occupied, it could easily have halted his efforts before he finished carving them. Of course, if he managed to succeed, the wraith would no doubt feel the weight of the same containment spell bieng thrust back upon it.