Lower the katon chakra cost reduction to five points, ten points is rather high (you can use D-Ranks for free).

Barrier of Flames - Tone down the burns a tad; C-Rank should deal 1st degree burns and 2nd degree if combined with Fuuton, B-Rank should deal 2nd degree burns and 3rd degree if combined with Fuuton, and A-Rank should deal 3rd degree burns and 4th degree if combined with Fuuton. 5th degree burns are limited to S-Rank techniques and higher. Also, explain how it interacts with jutsu other than water jutsu (i.e. how many earth techniques before the barrier is broken, how many fire techniques, etc.) and put in a duration in posts on how long each rank lasts, as well as their corresponding cooldowns.

Crown of Flames - B-Rank can't increase speed/strength AND fire power. Choose one of the two.
A-Rank version can only increase flame power and speed OR strength, not all three.

Flaming Demolishment - Glow: No permanent blindness. Put in the blindness lasts for the rest of the thread in question if not treated by medical ninjutsu.

Blast: This is bordering on explosion release, which is currently banned. Change the wording so that its clear that this is a fire and not a massive explosion. Next, no instant killing, especially not at that range and speed. The jutsu rules are currently being revamped and this is far too powerful to fit them. Either bring down the range and speed a lot or lower the burns to 3rd degree. Also, put in that the user must prepare this jutsu for one full post before they can detonate it. And instant blast that instantly kills is essentially inescapable death, which is too powerful even for S-Rank. (I know that the S-Rank in the Katon library is similarly powerful, but that library is far outdated. Sorry for the confusion u.u)

Daraku Ishido wrote:Lower the katon chakra cost reduction to five points, ten points is rather high (you can use D-Ranks for free).

Barrier of Flames - Tone down the burns a tad; C-Rank should deal 1st degree burns and 2nd degree if combined with Fuuton, B-Rank should deal 2nd degree burns and 3rd degree if combined with Fuuton, and A-Rank should deal 3rd degree burns and 4th degree if combined with Fuuton. 5th degree burns are limited to S-Rank techniques and higher. Also, explain how it interacts with jutsu other than water jutsu (i.e. how many earth techniques before the barrier is broken, how many fire techniques, etc.) and put in a duration in posts on how long each rank lasts, as well as their corresponding cooldowns.

Crown of Flames - B-Rank can't increase speed/strength AND fire power. Choose one of the two.
A-Rank version can only increase flame power and speed OR strength, not all three.

Flaming Demolishment - Glow: No permanent blindness. Put in the blindness lasts for the rest of the thread in question if not treated by medical ninjutsu.

Blast: This is bordering on explosion release, which is currently banned. Change the wording so that its clear that this is a fire and not a massive explosion. Next, no instant killing, especially not at that range and speed. The jutsu rules are currently being revamped and this is far too powerful to fit them. Either bring down the range and speed a lot or lower the burns to 3rd degree. Also, put in that the user must prepare this jutsu for one full post before they can detonate it. And instant blast that instantly kills is essentially inescapable death, which is too powerful even for S-Rank. (I know that the S-Rank in the Katon library is similarly powerful, but that library is far outdated. Sorry for the confusion u.u)

I've made the appropriate edits, thank you for your help Ishido^^

I just realized that this clan gives +30 chakra, which is far too high...even clans like Uzumaki, known for having extremely high chakra, only gives +20 and has no other substantial bonuses. Lower the chakra increase to +15. Also, add in that techniques that don't have an element also cost five more chakra, rather than simply non-Katon elemental jutsu

Barrier of Flames - You did add how it interacts with water techniques in a more detailed manner but I need to know whether or not techniques of other elements will be affected by it. Will they pass through the barrier unaffected and still at full power? or will they destroy that barrier/be weaker? Defensive jutsu need to be specific in what things they can and cannot block.

Also, increase the cooldowns; 7 posts at C-Rank, 9 posts at B-Rank, 10 posts at A-Rank. 

Crown of Flames - Strength shouldn't be what suffers the -1 afterwards; whichever stat is being raised (either flame power, speed, or strength) should be what is under the -1 once the jutsu ends. (i.e. if the user uses this to increase their flame power, once it ends, their flames will have burns of one degree lower for two posts after rather than a -1 strength which seems rather irrelevant since you didn't use the technique to affect strength. Same applies if you were to increase speed; speed would suffer a debuff for two posts after it ends. Strength should only be debuffed if you used the technique to increase it.)

As for the A-Rank version, both flame power and speed/strength (depending on which one you raised using it) need to have a -1 after the jutsu ends, and make this debuff last three turns rather than two.

Flaming Demolishment -

You wrote:the glow can permanently blind a person when under direct contact

You did add in the remainder of the thread thing, but it still says permanently blind a person in the beginning. Fix that.

You wrote:A blast that reaches a total distance of 120 meters, covering an area of 30 meters wide.

This is very self-contradictory; is the blast happening in a circle around you, or is it going forward in a straight shot? If it is around you, it is considered a radius technique, and the range needs to be lowered to at least 50 meters.

Tone down the burns to 3rd degree if the targets are more than 20 meters from the center of the fire, and take out the part about turning people to ash, although you can put in that the burns will become worse if the targets stay within the flames.

Finally, increase the cooldown to 8 posts.

I think I've done the needed edits, I also removed the chakra bonus, and I decreased the distance in my blast technique in order to increase fire power. If I can boost the power of anything/remove a drawback, please do tell me^^, I have done so, I hope this is better.

One last thing, are the current jutsu rules outdated? Just making sure because I revised them, and was worried if my techniques are weaker than average.

Thank you for your help so far, though. I'm quite grateful, for your consecutive help.

Yeah, like I said, the jutsu rules are being redone currently. The new ones will be out within a few weeks, and no, your jutsu aren't weaker than average.

This clan is looking better, so consider it approved.

Unapproved by request of the creator. The +1 to Katon usage didn't make sense to him at first.

I made some edits, and well, I edited both the Advantages and the disadvantages.

idk about Pyro Jack. It seems passable, but it just rubs me the wrong way. I'll throw you a 1/2 approval and get someone else to look over it too

Pyro Jack: If the affected parts are pure flame instead of flesh, that would actually mean that physical attacks....just don't work. This needs more clarification on what happens to achieve the effect, and drawbacks/weaknesses unless you want to make this form magically solidify fire and not make you intangible. I don't like this as a non-jutsu, actually. Turn it into one, you have one more free slot on your clan.

Thanks for your assistance so far, bump.

Repealed. Chakra reduction by 10 is a no. The max you're getting is 5.