I couldn't miss the chance to practice my drawing!
Nether Void is a recurring ability in the series.
Nether Void is a job ability learned by Dark Knights (level 78). It increases the absorption of the next Dark Magic spell by about 50%. It has a duration of 1 minute or until the Dark Knight casts a spell (regardless of if the spell is classified as Dark Magic or not) and has a recast time of 5 minutes.
Nether comes from Old English niþera or neoþera, meaning "down, downwards, below, beneath."