Before she had a chance to react Lily turned just in time to watch the undead that had been so close to getting a hold of her get blown to cinders by Regulus.

"That was very efficient," she said almost cheerfully as he bridged the gap between them and fell in beside her. "I might have to copy that," Lily added thoughtfully. As if on cue four undead shambled out of a room ahead, moving on them purposefully.

Purple light shot out of her wand, hitting the undead in the front. Its legs froze and it went down, causing the ones behind it to fumble. When at least one more was knocked off its feet by the obstruction she caused Lily gave Reducto a try, exploding the small pileup.

"We have to get somewhere with fewer entrances, there are too many bloody windows by everyone's quarters!"