That's why being the fastest class has its benefits. You have control of where to move because you can move faster than them and Titan skating is really good for getting away too. This is getting off point though. Cauterize is an endless heal cycle of the melee is used properly whereas a bladedancer has to choose between endless melees or powerful melees, Titans get both, because even if the burn doesn't trigger the melee regen it's still the same as a bladedancer running backstab for the extra damage and having to wait. The sunbreaker gets fast twitch if he gets the kill and if he doesn't get the kill with the initial melee he gets the backstab damage bonus.