Weight

* Weight limit breakpoints are at 70% and 90%
* Magnetic Loot will stop working when you are overweight.
* 70% weight penalties:
    * Reduces your natural hp/sp regen rate by half
    * Reduces move speed by 20%
* 90% weight penalties
    * Disables natural hp/sp regeneration
    * Reduces move speed, cast speed, and attack speed by 50%