Grounded Thunder Strike is a 
Action. You can use this ability to make a melee attack that deals 
Thunder Damage to enemies.
Description
Wallop a foe with a fist of stone and thunder, knocking them 
.
Properties
- Cost:
-
Action - Damage:
- 5 + Strength modifier
Bludgeoning damage - +
3d10 (3~30) Thunder damage - Details:
-
Attack roll -
Melee: 1.5 m / 5 ft
Condition: Prone
Duration: 2 turns
DC 13 
Constitution saving throw
- Can't move or take Actions,
Bonus actions, or 
Reactions, and has 
Disadvantage on Strength and Dexterity saving throws. - Attacks against a Prone creature have
Advantage if they're made within 
3 m / 10 ft of the creature. - A Prone creature must spend half its Movement Speed to stand up.
- A character with the Athlete feat spends only 1.5 m / 5 ft of Movement Speed to stand up.
- A character with the Athlete feat spends only
How to learn
(Information not yet added.)