"Well... I suppose. I could have just healed him you know, no need to waste a perfectly good potion. Besides it would have been quite fascinating to observe the physiological effects if any on Wasskal from the exposure to this undead creature. That being said, please in the future, do more careful Wasskal."  A poorly timed lecture? "It would have also been far better to use magic as I do not believe I have anything that can possibly inflict damage of sufficient effect given the undead nature of our foes. That is to say, our new flighty friend here will be the mage capable of doing that."

Somewhere in that semi-absent-minded chat, R'Lyeh managed to poke one of the attacking zombies with his shiny new spear. A good practice when examining new creatures. Use a long stick and try to introduce stimuli. "So they do happen to bleed. It would appear these specimens are relatively fresh..."