If the Arm6 rumor is true - what must be changed?

[Andrew_Gronosky]

@DIREWOLF75

Mmm, what? What concentration roll for multicasting? We´re talking about the Spell Mastery option here, NOT casting several spells at the same time, which DOES require a concentration roll.

I think it's best to move the discussion to another thread: Multicasting and Concentration rolls