Arthas

  1) "Icebound Fortitude"  is moved to baseline active talent:
 Grant 10 Armor and reduce the duration of Stuns, Slows, and Roots 
against Arthas by 25% for 3 seconds.
 Cooldown 30 seconds.
  2) 1 lvl "Rime" is changed: 
 Taking 500(+4% per lvl ) damage from Heroes while " Frozen Tempest " is active 
grant constant stack, which increase "Icebound Fortitude"'s charging speed on 20% up to 400% 
while "Frozen Tempest" is active.
 At maximum stacks grants  additional charge to "Icebound Fortitude" , 
activation absorbs all currents charges ,it's parameters sums 
( maximum 20 Armor and 50% control reduction)
  3) 7 lvl "Icebound Fortitude" is replaced by "Life Stealer": 
Arthas heals for 15% of damage dealt , it's increases twice 
vs Slowed,Rooted or Stuned enemy Heroes.