Mars shard + arena not working propperly

[klekss]

Ability name

spear of mars - aghanim shard upgrade

Description

https://github.com/ValveSoftware/Dota2-Gameplay/assets/106774494/e8abea7d-e8fa-4735-9386-b28c79d8f4d5

while using spear of mars into arena, only one enemy is being stunned, the other one often just gets blown away by the soldiers instead of being pinned, only works on trees and sometimes, if you pin them at the right angle in the arena

Example Match ID (and possibly Timestamp)

demo mode (video attached)