Screen going ultra dark when using slayer ulti,

Like the title says my screen goes ultra dark ( not completely black) when I use my slayer leap, and it only happens in underground maps. Not sure if this is intentional but it changed with one of the last patches, and it’s super annoying when you can hardly see anything at the moment you jump to some enemies. Especialy the tougher and dangerous ones. It basicly means you’re dead rather quickly.