When you Level Up, upgrade a Bronze » Silver-tier item.

The first time you fall below half Health each fight, Shield equal to 20% » 30% of your Max Health.

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

Your Large items have +25% » +50% Crit Chance

When you use an item, your items gain 3% » 6% Crit Chance for the fight.

Your items have 100% less Crit Chance.

The first 5 » 10 times you Burn each fight, Charge a Shield item 1 second(s).

If you have a Vehicle, your non-Vehicle items' Cooldowns are reduced by 5% » 10%.

The first 5 » 10 times you use a Core each fight, Slow an item for 2 second(s).

The first 5 » 10 times you Slow each fight, Charge a Poison item 1 second(s).

The first 4 » 8 times you Shield each fight, Charge an item 1 second(s).