Jahydin
Hero
Close to what I do!At Level Up: Reroll all your accumulated Hit Dice. If the total is greater than your current (prior to level up) hit points, you have the new hit points. Otherwise, you keep your prior total.
Mine is:
At Level Up: Reroll all your accumulated Hit Dice. If the total is greater than your current (prior to level up) hit points, you have the new hit points. Otherwise, add 1 + CON Mod to your total.
That way there is always some progress to be had when gaining levels.