The frost effects that come out of Icefall's ice blocks "compete" to show up with other game effects like scorch cannon rockets and emote effects. When I was playing scorched last week, sometimes my rocket would just disappear and I couldn't track my shots. Even in the character menu, The little fire effects that come out of any sparrow's thrusters start flickering on and off when I equip Icefall. As soon as I put on different gauntlets, they go back to normal