Druid
OracleFINAL FORM CI VERSION - Here!
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PoE 2 Ninja Link for my character - here
How the wyvern build works is it relies on power charges to get massive damage in single target and clear.
For Clear you want to use 
Rend to kill white mobs then 
Devour them when they die or are primed for devour to get your @power charges to then enhance Rend for massive electrical aoe wing cleaves.
For Bosses you want to Rend them until they are primed for stun (will have a little light symbol flashing on them 75% of stun bar) and then you use 
Wing Blast to stun them knocking them down jumping you back and it also gives you power charges that you then use with 
Oil Barrage to enhance it and do massive single target damage, you can usually kill any boss in campaign with one knock rotation, that's mainly for the campaign.
Once you hit maps its basically just 
Rend with 
Herald of Ice and Armour Explosion Procs for map clearing then for the boss we just melt them away with 
Flame Breath and stacking a ton of Rage to boost our damage!
