Level 1:

Regeneration Master: Collecting Regeneration globes permanently increases health regeneration by 1.5 per second.

The Great Wall: Increases the length of Barricade by 30%

Commission: After one minute, and every minute after that, receive 3 lumber for every structure you built in the past minute.

The Five Burrows: After building 4 Burrows, the next one will cost no lumber and build instantly.

Staycation: Every second spent inside of a Burrow decreases the cooldown of Break Time! by 0.5 seconds.

Level 4:

Home Sweet Home: Increases the health regeneration rate provided by Burrow to 200%.

Home Plated: Burrow gains a shield every second equal to 10% of its health, to a maximum of 50%. This shield builds until the first time the Burrow takes damage.

Spiked Barricade: 15% of the damage dealt to a Barricade is reflected back to the attacker.

Pneumatic Panic: Increases the attack speed bonus of Hammer Time! to 60% and each basic attack performed while it is active grants you 2% movement speed for the duration of the effect.

Level 7:

Azsharan Sniper: Increases the damage Watchtowers deal by 25%.

Woodchuck Chuck: Increases the maximum lumber you can carry to 40.

Workin' Overtime: If you haven't used Break Time! in 30 seconds, gain 3 lumber , and an additional 3 lumber every 15 seconds after that until you use Break Time! again.

Prison Break: Being stunned automatically activates Break Time!. This effect can only occur once every 30 seconds.

Level 10:

Bestiary: Build a Bestiary. Return to a Bestiary with lumber to buy a unit that will travel down the nearest lane. (15 second build time).

Altar Of Storms: Build an Altar Of Storms that lasts for 90 seconds or until it is destroyed. Friendly heroes that die can choose to respawn at the Altar Of Storms by clicking on it while waiting to respawn. (15 second build time).

Level 13:

Smarter, Not Harder: Removes the movement speed penalty of carrying lumber .

Hammer Headed: Reduces the duration of silences, stuns, slows, and roots against Ukor by 50% while Hammer Time! is active, and Hammer Time! can be cast while Ukor is under those effects.

Fortify: Barricade can be cast on a structure to grant it a permanent shield equal to Barricade's health. These fortifications cannot be stacked.

Level 16:

Property Lines: Increases the range of Watchtowers by 33%.

Eagle Eyes: Watchtowers reveal nearby cloaked units.

Built Horde Tough: Increases the health and duration of Ukor's structures by 20%.

Level 20:

Altar Of Ruins: Altar Of Storms that have expired or been destroyed remain on the map as ruins (providing no collision or vision in this state). A ruined Altar Of Storms can be instantly reactivated for 20 lumber . Restoring ruins resets the lockout of that Altar for heroes who had previously used it to respawn.

Drums Of War: Each Bestiary passively spawns a Kodo Rider every 30 seconds.

Rewind: Activate to reset the cooldowns of your basic abilities.

Bolt of the Storm: Activate to teleport to a nearby location.