A crypto user, 'fengdubiying', has reportedly earned over $2.9 million by betting on the League of Legends S15 World Championship outcomes via Polymarket. The gambler initially invested $30,000 during the Swiss Round and later placed a significant $1.58 million bet on T1 to win the final, resulting in an $820,000 profit. By the tournament's conclusion, the user's total profits surpassed $2.9 million.