As Paxre goes to leave, Beta stops him. "We've only just started. I can smell their scent. That means..." He stops, letting his sentence trail off.

Delta perks up, having already given up. "We can track them. Genius!!" As the others look at him shocked, Delta walks up to his snake like eidolon and places his hands on it, casting a quick spell before stepping back. Idell, among the scents you smell, I need you to pick out the scent of rat, and start tracking them. Ignore all else, and just focus on it."

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Delta will cast Lesser Evolution Surge on Idell to give him the Scent evolution. Using his scent, Idell will attempt to track the Wererats by smell, and if he can find a good trail, Delta will renew the spell when it expires to try and find them. Hopefully 8 minutes is enough to set us on the right path.