I don't know, for Arantir, "Exile" was the hardest to get :confused:. If no skill is removed, that's a bug. The "top" skill should be removed, but the ones needed to obtain it should not. And why would you want to remove the branch? It's actually needed to obtain the SA.
Regarding "Scream of Terror" - it's a useless skill. Enemies still move even with -11 BD (!), which means a 110% chance of a negative morale effect :D.
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