A killer with limited vision, like playing with the lights out. Not a completely black screen but a dark view with incredibly short draw distance so the killer could still avoid walls and obstacles, scratch marks and auras would still be visible. They could use echolocation/sonar vision, like how daredevil is able to “see”. So they could “see” survivors running nearby, basically anything noisy the killer would be able to “see”. The killer power could be to make sounds for echolocation to “see” through walls but not very far away while being able to “see” everything in line of sight. Survivors can counter this with limited movements while near the killer making them almost invisible. The killer would be able to find injured survivors nearby with updates on their locations from their sounds (similar to blood orbs with the oni) since they wouldn’t really be able to see blood well.