When you Level Up, Upgrade a lower tier item.

Your rerolls cost 1 » 2 » 3 less Gold.

When you use a Friend, your Weapons gain +2 » +4 » +6 Damage and Shield items gain +2 » +4 » +6 Shield for the fight.

When you use a Friend, your Weapons gain 3 » 6 » 9 Damage for the fight.

If you have exactly one Friend, its Cooldown and Your Core's Cooldown are reduced by 5% » 10% » 15%

The first time you fall below half Health each fight, Shield equal to 2 » 3 » 4 times the Burn on your enemy.

The first time you use a Large item each fight, Haste 2 » 3 » 4 items for 3 second(s).

When you use an item with Burn, that item gains 1 » 2 » 3 Burn for the fight.

The first 3 » 6 » 9 times you use your rightmost item each fight, Charge a Freeze item 1 second(s).

The first time you Slow each fight, Freeze an item for 2 » 3 » 4 second(s).