Summons a swarm of bugs for 5 seconds. Enemies within the swarm take 32 / 48 / 64 / 80 Physical Damage per second, while enemies outside the swarm deal 60% less damage to Tremble.

Create and tunnel through Terror Mounds with Boris. A Terror Mound spawns at your ally Well once leveled. Terror Mounds grant 10 / 20 / 30 / 40% Move Speed, Unitwalking, and Stealth with a 2 second fade time. Also gain the ability to Terror Port between Mounds. Cooldown is reduced to 10 seconds if Terror Port is used to teleport to the Terror Mound at your Ally Well.

Maximum of 2 / 4 / 6 / 8 Terror Mounds.

Passively makes your autoattacks apply a 10 / 20 / 30 / 40% Movement Speed Slow and -1 / 2 / 3 / 4 Armor to the target for 2.5 seconds.

Summon an invulnerable, uncontrollable Shudder at your location for 40 seconds, attacking what Tremble attacks for 60 / 90 / 120 Attack Damage.

For 40 seconds, Hive Mind becomes Ensnare. This can be activated to Immobilize a target enemy unit for 3 / 4 / 5 seconds.

Staff of the Master spawns a permanent, controllable Shudder with bonuses.

+2 Strength
+2 Agility
+2 Intelligence