TrinityCore/TrinityCore — comment on commit 5ea49613d24ad10b305891a39340155058e5a67e
File:  line 0
By e000:

@enVias You're wrong... It definitely interrupts when you leave LoS. Blizz's update tick was probably a lot less frequent though, which is why sometimes you could leave LoS and re-enter it and the spell will still cast.