Colleen stored the health potions in her inventory. She didn't really need them right now. She had full health anyways. Colleen was indeed an elf, her character was intentionally created elfish. 

When Lance motioned to go, she picked her pace back up again, matching Lance's step for step. Her brow furrowed slightly in thought. 

"Yes, we do need more people. Perhaps we can join some of those people we saw running around like chickens with their heads cut off as well as the Jester that talked to us," she replied to his first comment with a sage nod. The elf girl plucked absent-mindedly at a loose string of her simply-embroidered robe as she walked to help her think. She didn't seem to really mind being asked about her abilities, basic as they were.

"I'm a well-rounded mage. I have the healing spell, which you knew. I also have an energy blast and a shield," she responded matter-of-factly, looking up at the walls as they grew taller and taller with each brisk step. 

"Your strategy would work for a weaker monster... but we really need to find more team mates for that to work well on tougher ones," she added as an afterthought.