Mudslide Barrier

Doryuuheki (Mudslide Barrier)
Ninjutsu (Doton) [Earth]
Rank: 8 (A-Class);
Range: Close (10 ft. + 5 ft./2 levels);
Effect: Stone wall whose area is up to one 10-feet square/level (S);
Duration: 1 hour/level (D);
Saving Throws: None;
Chakra Resistance: No;
Chakra Cost: 9.

Doryuuheki creates a wall of rock that merges into adjoining rock surfaces. A
Doryuuheki is up to 5 inchs thick per level of the user and composed of up to one 10-foot square per level. You can double the wall's area by halving its thickness. The wall created must be vertical, and rest upon a firm foundation; it will not merge with existing stone. Each 10-foot square of the wall has 2 hit points per inch of thickness and hardness 8. A section of wall whose hit points drops to 0 is breached.

If a creature tries to break through the wall with a single attack, the DC for the Strength check is 20 + 2 per inch of thickness. Once the duration expires, the wall slowly returns to the earth. If a Doryuuheki is erected onto or below a structure, it may suffer 80 points of earth damage (left to the GM's decision).

Material Focus: A medium (at least 50 liters) source of earth, sand, rock or mud nearby.