Level 1:
Back to work - Increases the amount of resources gathered by 100%.
Accident insurance - Every 10 seconds Peon receives a stack of Block reducing the damage taken from the next Hero Basic Attack by 75%. Stores up to 4 charges.
Construct: Vision Ward -
Cooldown: 60 seconds.
Peon places a visible ward on the ground that reveals a large area around it for 45 seconds. Can be destroyed by enemies with 2 Basic Attacks. Stores up to 2 charges.
Construct: Fountain -
Cooldown: 60 seconds.
Peon builds a fountain at target location. Allies can click the fountain to replenish their health and mana. The amount is half of regular fountain's. Has 3 charges.
Level 4:
Spiked Barricades - Enemies that come in melee range with the barricade are slowed by 20% (lasts 1 second) and are damaged for 60 (+4% per level) each second.
Improved Barricades - Barricades have 100% more health and vision radius.
Booby Trap - When the barricade is destroyed nearby enemies are damaged for 250 (+5% per level).
Cluster Bombs - Increases Mine's explosion radius by 100% and causes it to apply a DoT that deals 75% of it's damage over 4 seconds.
Healing Ward -
Cooldown: 60 seconds
Places a healing ward on the ground that heals allies in an area for 2% of their max Health every second for 10 seconds.
Level 7:
Ensnare -
Cooldown: 12 seconds.
Peon tosses a net on a target enemy Hero and roots them for 1.5 seconds.
Deprecated due to Zul'Jin being released and having nearly the same talent.
Snare Trap -
Cooldown: 30 seconds.
Peon places a trap at target location that becomes invisible after 1.5 seconds. Enemies that step into the trap become snared for 1.5 seconds.
Magical Sentry - Your Towers now reveal invisible units.
Warcry - Grunts promote all nearby friendly Minions and Mercenaries increasing their maximum health by 15%.
Unstable Mines - Increases the Mine's damage by 100% and causes it knock enemies back a short distance.
Level 10:
CHAOS PEON
Cooldown: 90 seconds
Cost: None
Peon drinks Fell and becomes corrupted.
For 20 seconds his attack speed is increased by 50%, movement speed by 30%, health regeneration is tripled and he burns enemies around him.
DEMOLISH
Cooldown: 20 seconds
Cost: None
Channel time: 1 second per every 500 health the structure has.
While channeling completely destroy an enemy structure.
Level 13:
Tower Artillery - Increases the range of the tower's cannons by 50% and their damage by 100%.
Fire Shots - Towers shoot burning projectiles that cause a 75% splash AoE damage around the target hit.
The ammunition recharge rate is increased by 100%.
Rally Banners - Towers have 50% increased health and grant a 15% movement speed buff to all allied Heroes around in a large area.
Reinforce - Repair speed is increased by 100%, resource cost decreased by 50% and gives a permanent shield to units when repaired to full health. Max shield is 1/3 of the unit's max health.
Level 16:
Level 20:
Fury of the Storm - Every 5 seconds, your Grunt's next basic attack will deal an additional 20 damage to the target, and 20 damage to all nearby Minions and Mercenaries.
But concept is great and I want peon in HotS!