There are two ways with health:
Custom Health through VCE
0 OnBotAttack -> Victim(client/player) -> modVariable -> Health SUBTRACT Y
1 OnBotAttack -> Victim(client/player) -> ifVariable -> X (modifyhere) Z [2 2]
2 OnVariableTrue -> Player -> Kill
(Adding armor is basically checking the player's armor and adding damage depending on what he/she wears.)
or
Health Modifications found on RTB Playertypes.
(If you want a max health of 150, go wild.)
You can make the bots or resources also check the experience the character has and if it succeeds the limit, it should remove all the EXP/increase requirement and give it another level.
Randomdice works well with drops too.