Ancient Scepter

List of Upgraded Abilities
Enforcer: Enforcer: Crowd Control -> Tear Gas: Launch a chemical grenade, fearing and knocking back enemies in a huge radius for 250% damage. Can bounce at shallow angles.

Bandit: Lights Out -> Assassinate: Take aim for a headshot, dealing 2x600% damage. If the ability kills an enemy, the Bandits cooldowns are all reset to 0.

Huntress: Cluster Bomb -> MK7 Rockeye: Fire an explosive arrow for 320% damage. The arrow drops bomblets that detonate for 12x80%.

HAN-D: FORCED-REASSEMBLY -> UNETHICAL-REASSEMBLY : APPLY GREAT FORCE TO ALL COMBATANTS FOR 400%, KNOCKING THEM IN THE AIR AND STUNS AND SHOCKS.

Engineer: Auto-Turret -> 'Auto-Turret Mk. 2': Drop a turret that shoots for 3x100% damage for 30 seconds. Hold up to 3.

Miner: To The Stars -> Starbound: Jump into the air, hitting enemies below for 5x180% damage total.

Sniper: Spotter: SCAN -> Spotter: ISOLATE: Send your Spotter out to analyze the most dangerous enemy, slowing and increasing critical strike chance against it by 100%.

Acrid: Epidemic -> Pandemic: Release a deadly disease, poisoning enemies for 100% damage per second. The contagion spreads to two targets after 1 second. If an enemy is killed by Pandemic, you are healed.

Mercenary: Eviscerate -> Massacre: Target the nearest enemy, attacking them for 6x110% damage. You cannot be hit for the duration.Refreshes duration on kills, jumping to nearby enemies.

This could be a reference to the item found within Dota and Dota 2 called Aghanim's_Scepter. It does the same thing in this game as it does in that game (upgrading the "ultimate ability" in a way that is unique to each character). They are also similar in appearance. In addition, the description states "It's much better than your Lance of Legends," which is possibly refrencing a DotA style game, League of Legends. The text referring to the handle being "hard to hold" in order to "cull the weak" refers to the massive difficulty many new players have when playing Dota and its sequel.

Starbound is also a reference to another game published by Chucklefish of the same name.