Variant: Magic Density

Magic Density

The density of Mana and Magical Elements can change completely from place to place causing wild effects. Magic now has density a regular area will have a Magic Density of 10 Units or 10 Mana. This does not affect divine spells as they are not cast through magic elements.

Magic Density Chart

Roll on a D20	Mana Density	Effects
1	0 Units of Mana / 0 Magic Density	Has the same effects as Anti Magic Field in an area of the DM's discretion.
2-6	5 Units of Mana / 5 Magic Density	The effects of all spells are halved so half spell damage, duration, etc. Casting time and Magic Material costs are doubled. However, you can't critically fail and gain advantage on concentration saves.
7-15	10 Units of Mana / 10 Magic Density	SRD rules apply
16-20	20 Units of Mana / 20 Magic Density	The effects of all spells are doubled so double spell damage, duration, etc. Casting time and Magic Material costs are halved. However, you also need to roll on the action magic surge table every time a spell is used. You can also critically fail on a 2 and gain disadvantage on concentration. The effects of all spells are doubled so double spell damage, duration, etc. Casting time and Magic Material costs are halved. However, you also need to roll on the action magic surge table every time a spell is used. You can also critically fail on a 2 and gain disadvantage on concentration.