Tuatara was responsible for the environment VFX on Valorant's Fracture map.
The effects need to be subtle and unobtrusive to gameplay, support the game's narrative and be very performant, so most of the effects are built with static meshes and vertex shaders, with particle systems few and far between.
Tuatara VFX Artists:
https://www.artstation.com/thom_cee
https://www.artstation.com/bruno
Riot VFX, Concept and Environment Artists:
https://www.artstation.com/jaylee2020
https://www.artstation.com/theoaretos
https://www.artstation.com/bmart
https://www.artstation.com/murms
https://www.artstation.com/gsokol
https://www.artstation.com/sirdigitalbacon
The level's central reactor at its idle state, with energy emanating and leaking, floating debris and malfunctioning machinery.
Subtle rift and sand blowing effects.
Vista effects which include rift, birds, mist and atmosphere.
A few types of sand blowing effects, plus tower lights and machinery malfunctioning.
Water tanks with depth-based murkiness and vertex shader animated motes, and misters in the terraria.
Reactor pulsing, which interacts with the idle elements, repelling objects via vertex shader animation.