1. Get Good Grammar, I almost didnt understand you
2. Its Gameplay Constants not Gameplay Constantss
Anyways, for hero max level changes do..
Event
When a unit gains a level
Conditions
Level of Leveling Hero equal to <watever>
Actions
Hero - Disable Experience Gain for Leveling Hero
Then when ur happy wid it, you can enable it back..
THIS IS the only way to do it with HERO max level..
Units? they cant level up... wat de prob wid it anyway? you can level it (not really) up by replacing it with another unit like it but has higer level..
Anyways, if that not what you wanted.. pls write better grammar!