Clarification on how Flash works

[WingsofWar]

Could someone clarify how Flash works? I've seen som theories thrown around and my questions might have been answered inside some post which I can't seem to find.

The value of enmity that Flash generates is based off of your gear/stats like DETERMINATION&STR. So if you have some bad gear for your level, your flash is going to suffer. Flash also fails to generate proper enmity when compared to your main attack skills which have multipliers. Like Savage Blade has a x3 enmity multiplier and Halon has a x5 multiplier.

Yes Flash stacks, but you need to throw a lot of flashes in succession to build a half-decent aggro table but by then you will have depleted your MP pool.

[TommySmiles]

Flash does just fine holding hate.

The diminishing return is limited to the 'blind' effect it inflicts. Flash generates a flat amount of threat, regardless of how many times you use it.