Pay To Win. when you are paying for
advantage which normal players don't have access to unless they either pay too or will have to
grind very long (weeks and months).
you can buy a weapon in a game which has 50 damage, while you can buy same type of weapon for REAL money which has 60 damage. that is P2W
you can buy a weapon for
10000 gold, for each 10-15min
match you get 100 gold, while you can
buy it for real money instantly.