Lvl 50 xp - resets or stays when kunark releases?

[Daldaen]

The really critical thing to do is die 9-10 times before Kunark launch and AOE PoFear for EXP for about 2 hours to get back that EXP.

Then when Kunark launches log on your boxed cleric and 90% rez those corpses to jump to level 52.