Experience

In order to level up, a character needs 500*{Proficiency bonus} XP.

That's

1000 in levels 1-4

1500 in levels 5-7

2000 in levels 9-12

2500 in levels 13-16

3000 in levels 17-19


 * A game should grant around 500 XP, but feel free to change this based on the performance of the party.


 * Characters level automatically after their first game.