Name: Funeral Shroud
Rank: D
Magic Cost: 10 (5)
Requirements: Darkness Godslayer
Class: Defensive
Element: Darkness
Cooldown: 2 posts
Duration: Sustain – 2 posts, total of 3
Effect: A skin thick layer of darkness covers Karin from head to toe in an armor of sorts. The barrier can protect her from C rank or equivalent damage before it breaks.

Name: Reaper
Rank: C
Magic Cost: 20 (10)
Requirements: Darkness Godslayer
Class: Offensive
Element: Darkness
Cooldown: 3 posts
Duration: Sustain – 3 posts, total of 4
Effect: Karin creates a scythe made entirely of tangible darkness, reaching up to 10m in maximum range, and a maximum width of 5 meters. This scythe deals C rank slashing damage upon contact and can be swung at speeds up to 10 m/s.  

Name: Night's Embrace
Rank: D
Magic Cost: 10
Requirements: Darkness Godslayer
Class: Offensive
Element: Darkness
Cooldown: 2 posts
Duration: Instant
Effect: Karin unleashes a swirling vortex of darkness in all directions, with herself as the epicenter. These waves of darkness spin at 5 m/s and form a sphere 5m in radius. Anything caught within range is dealt D rank slashing damage as well as knocked back 3m.

Name: Shadow  Stalk
Rank: D
Magic Cost: 10 (5)
Requirements: Darkness Godslayer
Class: Supplementary
Element: Darkness
Cooldown: 2 posts
Duration: Sustain – 2 posts, total of 3
Effect: Darkness Godslayer magic allows her to sink into shadows and move around on any surface shadows can exist on. She still takes damage while in this form, if hit directly.

Name: Pull of the Abyss
Rank: D
Magic Cost: 10
Requirements: Darkness Godslayer
Class: Supplementary
Element: Darkness
Cooldown: 2 posts
Duration: Instant
Effect: Karin can call back the essence of her godslayer magic to herself, meaning anyone who’d come into contact with her spells would have darkness energy on them. She can unleash a wave of darkness that is 5m in radius and pulls anyone within range towards her at a speed of 5 m/s.[/b]

Looks good, approved.