Context: Selen doesn't usually play Apex on a new season launch day but streamed for S10's launch anyway - and faced the full might of Seer's tactical. The character trailer talks about how it highlights enemies, shows their health bars, and interrupts any heals/revives/abilities, but it neglected to mention that the ability also does 10 damage and slaps it's victims with a flashbang for a split second when it lands.