We can actually kill Jaree-Ra without starting the Lights Out quest by killing him before he reach the spot he always stands and before having any conversation with him. This picture was
Alternative quest end Lights Out after first killing leader Broken Oar Grotto at Skyrim Nexus - Mods and Community
Skyrim [Side Quest] Lights Out! - YouTube
Lights Out! | Elder Scrolls | Fandom
How to meditate in The Elder Scrolls 5: Skyrim - Polygon
Skyrim:Lights Out! - The Unofficial Elder Scrolls Pages (UESP)