Sandcastles in your pocket

[Kitai Yoru]

Name: Sand Grenade
Description: This is a grenade made of sand, with metal bits making it resemble an actual grenade. It is sandy yell in color, with army green for the metal parts. A sandy engraving of the Kitai Brand logo are stamped onto the bottom of the grenade.
Class: 4-1
Item Type: Weapon
Item Power (IP): 500+100 per class (800 Max)
Offense Type: Physical
Durability: 2x Ip
Bonuses: When the pin is pulled, or the durability is broken, this grenade explodes into sand. How much sand? About five hundred thousand pounds of it, detonating with the force equal to it's IP, and covering a five hundred feet in all directions in two feet of sand, plus another five hundred per class. This sand has an affinity towards being manipulated.
Drawbacks: You're probably getting hit with these. Detonation occurs at the end of the post in a way that your opponent can react to.
Cost: 10,000+5,000 per class for ten (25,000 Max)
Crafting Skills: 4 in Crafting, Mastery of Creation of All Things
Donated to Urahara's: Nope

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Name: Instant Sand Castle
Description: A small castle model, made of sand, that fits in the palm of your hand! On one of the tiny balconies stands a tinier Kitai, holding a sign saying 'buy at the Kitai Shop!'. This little tiny model is roughly an inch in height.
Class: 1
Item Type: Utility
Item Power (IP): 1,000
Offense Type: Physical
Durability: 3,000
Bonuses: When thrown on the ground, it buries itself into the ground, causing it to shake violently, before erupting into a full castle, two hundred feet in height, with a speed and strength of 1,000. When used in conjunction with the Sand Grenade, this is increased to two thousand feet. The material of the castle is dependent on the matter that it is dropped into. When used with the Sand Grenade, this takes one post to create, otherwise it takes three posts.
Drawbacks: This item can be damaged by any class of item or technique, regardless of class or OS. Once the durability reaches 0, it collapses with a force of 1,000. This castle lasts 10 posts. Use can only make one of these at a time.
Cost: 10,000
Crafting Skills: 4 in Crafting, Mastery in Creation of All Things
Donated to Urahara's: Nope.

[Sieglinde P. Krantz]

For the Sand Grenade, truthfully I'm pretty all right with this. You explicitly give people enough time to react to these, so that's fine. That said, have range scale with class. I'm okay with a quarter mile of sand at Class 1, but definitely not below that. Similarly, absolutely nix the "Soul command does it 10x better". We don't need unavoidable sand tsunami. Lastly, I'm gonna ask for a tripling of cost, and a limit of once-per-thread on these. Otherwise, it's drop five and suffocate someone in sand.

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Instant Sand Castle is pretty good all things considered, but I'd like a similar restriction on these; 10,000 for one, and limit of one being able to exist at any given time. Lastly, drop durability on these down to 3,000. 10k is a crazy ask on these things for as cheap as they are.

[Kitai Yoru]

Changes have been made.

[Sieglinde P. Krantz]

1/1, given it's been a while with no hits on this. If someone wants to hit it, be my guest.