WAR's 2hr is alot like Spirit Surge in that it's a shorter duration version of another job's ability.

Warrior's New 2hr has the same effect as Formless Strikes, except it's a 2 hour recast/45second duration vs 5min recast/3 minute duration.
Similar to how
Spirit Surge's 25% Haste boost is a 2hr recast/60 second duration compared to Last Resort+Desperate Blows which is a 5min recast/3min duration.
DRG's new 2hr needs to reset Call Wyvern to 0 because even though the wyvern doesnt die directly anymore from large attacks, the DRG still does, which causes us to lose the pet when we die. Many times a DRG will run into a fight and die from some instant death move or crazy strong AoE attack or spell and then no wyvern for 20minutes. So despite the increase to wyvern durability and healing options with spirit link, none of that prevents the wyvern's master from dying easily. No other job in the entire game faces a penalty that harsh even after weakness wears off where they lose a huge aspect of their job for such a long time. Other jobs can die amidst a difficult battlefield like Legion and be raised up and within 5 minutes are back to full fighting potential. If a DRG had his wyvern called and dies in the middle of a legion fight and is raised, he's still severely hampered by the fact that he has to wait another 15-20minutes for his wyvern. Letting us restore Call Wyvern's recast by using the new 2hr with the wyvern out would help for these situations.