Using Jumps in Titan seems rather dubious to me, personally I never use them in my average rotation as the damage output vs the time required for the action animation to take place (not to mention the position lock which can easily mean game over for you in Titan) just doesn't seem worth it, aside from being a gap closer, and I can't imagine you being that far from Titan to begin with as the arena is progressively smaller, I just don't see it being worth it in this fight...