The only way to power up so fast is to have someone who has 10 Bil coins saved up give away revenges on Mondays to get them 5 - 6 Bil coins for instant level 12 runes.
The only way to power up so fast is to have someone who has 10 Bil coins saved up give away revenges on Mondays to get them 5 - 6 Bil coins for instant level 12 runes.