It's possible that this "bug" allowing the acquisition of abnormal skills only appeared in the beta version; in that case, let's hope they fix it. But if it's been present since previous versions, which I unfortunately haven't tested, then we'll consider it not a very good feature.
Required ARMG Settings: Monster Strength - Strong (3); Resources - Little (2); Experience - 3.
AI Settings: Difficult - Heroic (3); Lookahead Depth - Normal (1).
My Favorite Heroes:
Haven (H) - Jeddite (Heretic)
Sylvan / Preserve (P) - Vinrael (Druid)
Academy (A) - Minasli (Seer)
Fortress (F) - Ingvar (Engineer)