I would like to use these as my first 5 free spells of 15

NAME: Nature Dragons Roar
RANK: A
MAGIC COST: 40
REQUIREMENTS: Nature Dragon Slayer
CLASS: Offensive
ELEMENT: Nature
COOLDOWN: 5
DURATION: Instant
EFFECT: The user takes a breath before releasing a torrent condensed wood and leaves in a 5mx5m area in front of them. The spell does A-rank damage and can reach up to 30m in length.

NAME: Wing Slash of the Nature Dragon
RANK: A
MAGIC COST: 40
REQUIREMENTS: Nature Dragon Slayer
CLASS: Offensive
ELEMENT: Nature
COOLDOWN: 5
DURATION: Instant
EFFECT: The user brings their hands back over their head, which covers there arms in a coat of wood and leaves, then thrusts them forwards This releases a torrent of wood and leaves at the target in a range of 5mx5m. This deals A-rank damage and can travel up to 30m.

NAME: Scales of the Nature Dragon
RANK: A
MAGIC COST: 40/20
REQUIREMENTS: Nature Dragon Slayer
CLASS: Defensive
ELEMENT: Nature
COOLDOWN: 5
DURATION: Until canceled or destroyed
EFFECT: The user uses there magic to mimic a dragons scales. This brings a hard covering, made of wood, onto the user to protect them from damage. This can protect against 1 S-rank worth of damage.

NAME: Defensive Tendrils of the Nature Dragon
RANK: A
MAGIC COST: 40/20
REQUIREMENTS: Nature Dragon Slayer
CLASS: Defensive
ELEMENT: Nature
COOLDOWN: 5
DURATION: Until destroyed or canceled
EFFECT: The users channels there magic to summon 4 vine like tendrils around them. They can then use a vine to intercept an attack. Each vine can take a total of B-rank damage before being destroyed.

NAME: Spore Cloud of the Nature Dragon
RANK: A
MAGIC COST: 40/20
REQUIREMENTS: Nature Dragon Slayer
CLASS: Debuff
ELEMENT: Nature
COOLDOWN: 5
DURATION: Until canceled or six posts
EFFECT: The user takes a breath and then releases a yellow cloud of spores into the area. Anyone, other than the user, who enters the space where the cloud is slowed for 40% of their speed. This clouds covers an area of around 10m from the users starting location.

In General
http://www.natsudragneel.com/t4182-the-dragons < your dragon is Florin, so your element should be just Nature

Roar
"5m Area" area is square units, but you have here a one dimensional unit. perhaps instead describe the diameter of the attack

Wing Slash
Where they come from (where do they go, where do they come from, cotton eyed joe) I'm rly funny, k

Scales
"The user uses there magic to mimic a dragons scales."
their*
if it will last past the post it is cast, it should be sustained.

Defensive Tendrils
"The users channels there magic"
their* - I'm just doing this now, so u dont have to fear the grammar nazis of the future, so don't thank me, np
if it will last past the post it is cast, it should be sustained.

Spore Cloud
jsyk, sustained spells last up to 6 posts

bump bump bump

gg