Penumbra Flare

Acquired via using the Purple Glyph Gem which can be bought from Iridia in chapter 3.

Trivia

 * Penumbra Flare is the first Arcane spell obtained
 * Penumbra Flare at one point in development had a power modifier of 1350, this however was significantly reduced for its initial release (650) in chapter 3.

Changelog
Chapter 3 Chapter 4 Chapter 6
 * Added to the game
 * Power reduced from 650 to 520
 * Now costs 5 gem energy instead of cooldown.