Doubth with grimooth spam

[adelmolmjr]

I use ds spaming naturaly but I tried to spam grimooth, which has an hex of 008900, but the skill don't spam -_-.
I obtained this from rpe packtes and calculating too.

Could someone help me or give an advise ?

thx in advance

Edit: i start to try some random codes and find the solution :-D. Code must be 00890