Balance suggestions: Human Heroes

Human Heroes:

Archdruid
more heal? it least its much weaker compared to sh heal...
bigger area for ultimate

Archmage
more dmg to water elementals?
rest fine?

Arthas
spells cost too much mana?
rest fine?

Barbarian
fine?

Batman
fine

Bloodmage
flamestrike causes crash?????

Demonhunter
fine

Firelord
fine

High Elf Warrior
fine? (maybe a bit weaker than other agi heroes)
better heal needed? more dmg? bit more agi per lvl?

Keeper of the Groove
fine?
ultimate could be better imo, same amount of heal in 20-30% shorter time?

MountainKing
fine

Naga Queen
maybe like eddie suggested edit tornado so that she can use it AND still attack?
rest fine??

Naga Stealthviper
idk

Paladin
fine?

Panda
fine?

Pandaren Wardancer
bit too powerfull, but i think cant be made weaker without removing the fun to play him

Priestess of the Moon
fine?
or make arrows stronger? bit more agi per lvl?

Ranger
bollocks!
weakest human hero
give multishot more dmg? increase stats/lvl to same as archmage?

Stealthviper
idk... fine??? (too difficult to play?)

Tinker
fine

Warden
fine

Wizard (kubrik)
fine?