Roll 3d on the start of every combat, every time a mage asks what level of mana the current area has and once for every critical success or failure. Do not apply on top of leylines.
3 - Very High Mana
4 - 7 - High Mana
8 - 13 - Normal Mana
14 - 17 - Low Mana
18 - No Mana
_________________
I never think twice about anything. Wastes too much time.
-------------------------------------------------------------------
"Are you serious?" "About what I do, yes. Not necessarily the way I do it."