Briar typically uses Press the Attack or Lethal Tempo runes, opting for sustain with BotRK-Titanic-Eclipse or early burst with Kraken.
Her strong lifesteal and berserk ability make her potent in lower tiers, while cooldown reduction builds maximize her sustained combat.
Managing her berserk state and snowballing are crucial, and be aware of her vulnerability to Grievous Wounds items.