Hiding Stance LV 1 does not work

Skill/Item name (if relevant): Hiding Stance LV 1

Class/Level (if relevant): Assassin 11/13

Party or solo: Solo

Describe the problem: Hiding Stance LV 1 provide no beneficial effects. That it does: bind you to the ground with no regen. Also actions could be performed while under the effect of hiding.

What was the expected behavior?: I dont know how invisibility should work in proper way. But i have 2 videos below with different cases. One is for close range hiding activation and another is for long range.

List the steps that occurred before the problem appeared:

Can you reproduce the problem?: Yes

Screenshots/Videos (if available):

Close range:

Long range: