Garena's Free Fire has over 650 million quarterly players, about 9.5% of whom pay ~$12 per quarter (thus the average user is only $0.40 a month), totaling roughly $3B per year

The massive scale of Free Fire's user base and the low monetization per user despite high total revenue

Comparison to other games' monetization rates or the profit margins

The extremely low payment rate (9.5%) as a normal business model for mobile games