Echo + arcane power + old robe mastery removed or always kept ?

planing to make another feoh wizz for fun just to keep those 3 skills like forever anyone got an exact info if ncsoft even gona plan forcing everyone to trade them coze it will be an waste to make another feoh then if they end up removing them
need exact info not what everyone think

i justed called the korean NCSoft headquarters to get an answer for you.

Here's what they said:
"Dear eonwrath, you can keep your old skills forever. Maybe"

Hope that helps.