Name: Blitz
Rank: D
Magic Cost: 5
Requirements: lightning magic
Class: offensive
Element: lightning  
Duration: instant
Cooldown: 2 posts
Effect: Sion becomes a streak of lightning and travels in any direction he wishes within 5 meters. During the spell SIon can rematerialize at the exact moment he chooses to make a physical attack. Sion has complete control of the directions he maneuvers. The physical attack deals D rank damage.

Name: Shock
Rank:  D
Magic Cost: 5
Requirements: Lightning magic
Class: Offensive
Element: Lightning
Duration: Instant
Cooldown: 2 post
Effect: Sion shots a small bolt of lightning 5 meters at his opponent dealing D rank damage.

Name: Fireworks for Raina
Rank: D
Magic Cost: 5 | 5
Requirements: Lightning magic  
Class: Offensive
Element: Lightning
Duration: until dismissed
Cooldown: 3 posts
Effect: Sion creates tiny sparks of electricity around his body. Anyone that makes direct contact with Sion will take minor burns.

Name: Inazuma Ookami
Rank: D
Magic Cost: 5 | 5
Requirements: Lightning magic
Class: Offensive
Element: Lightning
Duration: until dismissed
Cooldown: 3 posts
Effect: Sion creates a wolf formed from lightning. The wolf is bound within a five meter radius of the area he was cast in. the wolf can attack the same turn conjured or be maintained to attack at future turns. Once an attack from the wolf hits, his energy is discharged and the spell ends. The attack deals D rank damage

Name: Lightning Strike
Rank: C
Magic Cost: 15
Requirements: lightning magic and shock
Class: Offensive
Element: lightning
Duration: instant
Cooldown: 2 posts
Effect: Sion summons down a bolt of lightning that strike an opponent within 10 meters of him. The bolt deals C rank damage.

Alright let's get started.

The only glaring issue with your spells are this one:

Sion wrote:
Name: Inazuma Ookami
Rank: D
Magic Cost: 5
Requirements: Lightning magic
Class: Offensive
Element: Lightning
Duration: maintained
Cooldown: 2 posts
Effect: Sion creates a wolf formed from lightning. The wolf is bound within a five meter radius of the area he was cast in. the wolf can attack the same turn conjured or be maintained to attack at future turns. Once an attack from the wolf hits, his energy is discharged and the spell ends. The attack deals D rank damage

All I need you to do is add a sustain cost of five. So you're magic cost should look like this 5 | 5.
Reason is no cost can go below 5 even with cleric.

Bump when done!

finished

Fire works, and Inazuma need to have numerical values for their sustains, make sure your cooldown is greater than your sustain.

Bump when done.

done

Starters approved, looks good.