Description: So,The Lich King is evading on any difficulty.
Current behaviour: After Tirion and Arthas dialogue fight is interrupting and boss is evading. There is a link to ShadowPlay record of this issue - Click
Expected behaviour: After intro dialogue, a combat with Lich King must start.
Branch(es): master
AC hash/commit: b9e68be
Operating system: Windows 8.1 x64 with last updates
Modules: Core is without any modules.
I will take a look into this tonight
by the look of the script it checks for the boss data have you killed all bosses in the instance?

ok so i got him working
this issue is invalid, all bosses need to be killed before lichking is attackable.
but if u want him to work delete the lines
highlighted.
https://github.com/azerothcore/azerothcore-wotlk/blob/master/src/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp#L638-L643
Most helpful comment
I will take a look into this tonight