While performing some ancient Qadiran body rites with the skeletons, Adalbert mentions. I had a chat with a scholar in town. Tobyn is the former high priest of this cathedral and Zantus' master. Struggling to find a place to lay the copper piece in the mouth where it doesn't simply fall down onto the floor, Adalbert quickly shifts his attention away from the skeletons and casts Detect Magic after snapping his fingers for a Light spell on his dagger.

Usually necromantic energy has to be quite strong in a place devoted to the more positive aligned gods. Something down here must be desecrated, or worse, the church was built upon another ritual site.

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I give the place a thorough look.
Spellcraft checks: taking 10 for 16. Then rolling for several auras, or rechecking the first if I don't get conclusive answers. (1d20+6)[7](1d20+6)[13](1d20+6)[15]