Complex sentence: One of the effects of her break down is that she leaps through time uncontrollably, initially this leads her to believe that Angel Investigations are out to kill her, and she ambushes them in the training room.
Split into simpler sentences: One of the effects of her break down is that she leaps through time uncontrollably. Initially this leads her to believe that Angel Investigations are out to kill her, and she ambushes them in the training room.