Groundswell

acquired via using: Russet Glyph Gem

Changelog
Chapter 3 Chapter 4 Chapter 6
 * Added to the game
 * MP cost increased from 5 to 7
 * MP cost increased to 20 from 7.
 * Power increased from 200 to 250
 * Downtime increased from 1.75 to 2.25
 * Now costs 3 gem energy instead of a cooldown.