WPE filter

Hi! Anyone know how do that:

Is one WPE filter, I tried to do that but the filter spamm the skill just one time, if somebody know post here -gratz

***Sorry for my bad english

EDIT: i have made a table with useful informations (i think...):

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I tested each HEX to find what represents, if its wrong tell me..
and i didn't find who spam the skill...