Q. Is damage from Blade Rush treated as damage from the Charge Action?
A. No. The damage from Blade Rush is generated by the Ability as a result of taking the Action, not the Action itself.
Q. If a model is subject to an effect that Replaces it with a new model after it is killed, such as Demise (Dead Horse), and the model is killed by an effect such as the Exorcism or Execute Triggers, is the model that is Replaces into killed?
A. Yes