Warrior
Warriors use Attack to deal damage with auto attacks and active abilities.
Warrior Mechanics: Crit, Rush, Shields.
Warrior Heroes
ReynaThe ContenderWarrior
LoganThe ExecutionerWarrior
TillyThe HeiressWarriorDuelist
KaiThe ShotcallerWarriorA and S rank upgrades are class upgrades: the options come from the hero's class, not the hero (game tutorial). In the current data the A and S rank options are the same list.
A/S rank options 15

On Crit, heal (+50% Crit) health and gain 3 Mana.

On Crit, permanently gain 2 Attack.

For Rush (10), gain +100% Crit.

Rush abilities last 3 seconds longer. Backup.

Gain 100 Attack and 20 Omnivamp.

On combat victory, Warriors permanently gain 25 Attack. Backup.

On damage dealt for Rush (8), gain lasting Shields equal to 50% of the damage dealt.

This Hero's auto attacks gain 150 Crit.

For Rush (8), gain +100% Attack.

Gain 1 Range and 50 Attack.

Warriors gain 2 Attack per Rush trigger this game. Backup.

At start of combat, Warriors gain 1000 (+500 per rank) lasting Shields. Backup.

Gain 2 Omnivamp and 2 Crit per 1% of this Hero's missing health.

This Hero gains 1 Attack per 8 Shields it has (Max Bonus: 1000).

At start of combat, if this Hero is adjacent to exactly one other Hero they both permanently gain 33 Attack.