Lei Shen (Complete) by Mechahunter

TIER 1 (level 1)
- Block
- Thundering Whip ( Lightning whip CD is reduced by 0.5 sec for each enemy it hits)
- Shocking Weapons (Static shock lasts until consumed)
- Seasoned Marksman

TIER 2 (level 4)
- Superiority
- Thunder Axe mastery (Decapitate penetrates the first enemy and can hit an extra one)
- Thunder Polearm mastery (Fusion Slash also slows the target by 50% for 1 sec)
- Gathering Power

TIER 3 (level 7)
- Thundering strikes ( Autoattacks deal 35% of aoe damage nearby Lei Shen)
- Lightning strikes (Autoattacks against the same target gain 2,5% extra speed, stacking up 6 times)
- Follow through
- Charged Shield (Overcharge shields you for 150 (+50 per level) damage instead of dealing damage when used. If a shocked target attacks you while you have the shield, he's slowed by 50% for 1 sec)

TIER 4 (level 10)
- Step of the Thunder King
- Nalak, the Storm Lord

TIER 5 (level 13)
- Spell Shield
- Precise Whipping (Decreases Lightning Whip cone width but increases its damage by 35%)
- Giant Killer
- Overrage (Overcharge deals an extra 5 (+2.5 per level) damage to nearby enemies each second, but you no longer activate Overcharge.) 

TIER 6 (level 16)
- Thunderforged weapons (Decapitate and Fusion Slash deal an extra 30% damage)
- Whips of the Emperor (Lightning Whip gains an extra charge, allowing it to be cast twice in quick succession.)
- Berserk
- Imposing Presence

TIER 7 (level 20)
- Storming Steps ( Hitting a shocked enemy resets Steps of the Thunder King CD) 
- Empowered Nalak ( Nalak lasts an extra 10 seconds, and by pressing R again you can slowly  move him to target location) 
- Nexus Blades
- Rewind

Hey guys, I just wanted to make this concept because I think that the Thunder King is a badass. I just hope Blizz puts him in the game in any form whatsoever.

Thanks for checking out this one though!