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Discussion in 'UO Developer Feed' started by UODevTracker, Nov 12, 2011.
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Slight correction for you.
Mastery ability initiation is line of sight, but once its initiated, its range check only.
So if your target goes behind a wall, hides or goes in a house, while under the effect of say despair, as long as they are in spell song range ("earshot") they remain under the effects.