Using Multiple Bloodlust based abilities

I am using Regular Bloodlust as well as a bloodlust based ability called Haste. I want them to stack, but when you cast the second one onto the same unit it merelt replaces the previous one. Regular Bloodlust increases attack rate, movement speed, and size. Haste increases movement speed and attack rate. O need them to stack, and suggestions?

Use any other slowing single target spell in the game. Set it's values to negative. I'd suggest cripple.

cant u just have different buffs/effect spells on the ability... Ive done it before and am pretty sure it works :|

If one unit will have 2 abilities based off Bloodlust... well... good luck. When you cast one, second will cast too.

That wasn't the question.

Sadly, buffs from abilities based on the same ability won't stack. Use a spell different from bloodlust for one of the two spells. You can use Unholy frenzy, or Slow with negative values...

I used cripple with negative values and it works fine now. Thanks.

Although units with debuffs changed to buffs will still show the "debuffed" red overlay on their icons in the stat card.

So Unholy Frenzy would've been the better choice? Nice to know if I ever do something involving several buffs.