on point 2) move silently can betray your hiding in shadows, bard have the standard ability of detect noise, they can hear you if you have a low percentage of move silently. It's one of those thief and bard skills nobody knows and/or can/will use, just like climbing walls (never had to do that in SoA)
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There's something in your eyes, ah no, I see now, it's the reflection of my deadly gaze - Mirac Honorguard
(Necromancer)
http://www.angelfire.com/rpg2/mirac