Sense Quintessence

(Monster Manual V, page 110, DnD 3.5)

[General]

You are capable of discerning sources of quintessence, a magic substance precious to Thoon.

Prerequisite

Detect magic (as spell or spell-like ability), Affilitation with Thoon

Benefit

Whin you use detect magic, you also detect any quantities of quintessence within the spell area. 1st Round: Presence or Absence of Quintessence. 2nd round: Number of different Quintessence sources, and Size and potency (moderate or strong) of the mot powerful quintessence source. 3rd round: the location of each quintessence source.