If you could pay $100 and unlock some outside perk, that allowed only you to level to paragon level 120 or something, it would utterly destroy the credibility of character progression. Blizzard knows this well anyway, which is why in WoW for instance the only things you can buy off their Blizzard store are non combat pets, mounts, and utilities like character renaming, etc.
Get the Desktop App for Battle.net Now
- All your games in 1 place
- Log in once
- Automatic game updates