Role : Dps / initiator

Lvl 4 talent - Psionic Pulse can be changed for Clean Kill

Role : Pusher / Lockdown

Lvl 20 talent - Fury of the Storm can be changed for Bolt of the Storm

Role : Pusher / Lockdown

Lvl 1 talent - With the Wind can be changed for Lost Soul

Lvl 13 talent - Evasive Fire can be changed for Splinter Shot

Lvl 16 talent - Cold Embrace can be changed for Blood for Blood

lvl 20 talent - Bolt of the Storm can be changed for Fury of the Storm

Role : Dps / Romer

Lvl 1 talent - Regeneration Mater can be changed for Block or Season of marksmen ( very situational )

Lvl 10 talent - Void Prison can be changed for Shadow ***ult

Lvl 20 talent - Rewind can be changed for Nexus Blade or Nerazim Fury

Role : Dps / Romer

Lvl 1 talent - Greater Cleave can be changed for Rapid Displacement

As standard as it gets.

*Note* Lvl 20 talent is 100% situational in my opinion

Role : Dps / Camp controll

Lvl 7 talent - First Aid can be changed for Thrill of Battle

Lvl 16 talent - Blood for Blood can be changed for Stoneskin

Lvl 20 talent - all of them are viable however at the moment Nexus blade is abit to low

Role : Dps

Lvl 10 talent - Rain of Vengeance can be changed for Strafe

Lvl 13 talent - Frost Shot can be changed for Giant Killer or Spell Sheild

Role : Dps

Lvl 20 talent - Bolt of the Storm can be changed for Vengeance

Lvl 20 talent - Bolt of the Storm can be changed for Nexus Frenzy

Role : Dps

Lvl 10 talent - Strafe can be changed for Rain of Vengeance

Lvl 20 talent - Bolt of the Storm can be changed for Vengeance

So basiclly Jaina is my latest sweetheart and iv just started testing her out properly.
But concidering the impact she has on a game i feel like this is a good hero to be solid on, not to mention that shes completly OP.

Role : Dps

Role : Healer

Lvl 7 talent - Wave of Light can be changed for Cleanse or Clairvoyance . Like most of Uthers talents these are situational

Role : Lockdown / Healer

Lvl 7 talent - Burden of Guilt can be changed for any of the talents on that tier, exept Holy Fire. This tier is very situational

Lvl 13 talent - Blessed Champion can be changed for either Shrink Ray or Spell Sheild. Once again this tier is very situational

Lvl 20 talent - Redemption can be changed for Storm Sheild

Role : Frontliner / Initiator

When running dubbel tank setupp i prefer to play johanna like this to maximize the dmg and utility.
So far this setupp has been solid enough that I havent conciderd any changes.

Lvl 20 talent - If needed Heaven's Fury can be changed for Indestructible

Role : Frontliner / Initiator

Lvl 13 talent - Spell Sheild can be changed for Burning Rage

Lvl 16 talent - Blessed Hammer can be changed for Imposing presence

Lvl 20 talent - Indestructible can be changed for Storm Sheild

Role : Frontliner / Initiator

Lvl 13 talent - Burning Rage can be changed to Imposing Will

Lvl 20 talent - Hardened Sheild can be changed to Nexus Blade ( Very situational )