Pressure Cannon

Kaihoudan (Pressure Cannon)
Ninjutsu (Suiton) [Water]
Rank: 3 (B-Class);
Range: Close (10 ft. + 5 ft./2 extra chakra);
Effect: Ray;
Duration: Instantaneous;
Saving Throws: Str partial;
Chakra Resistance: Yes;
Chakra Cost: 6.

One of the few Suiton technique that do not require water has the user shoot out a large quantity of water, adding in Chakra to strengthen the flow into a pressure water cannon. The ray, if it hits, deals 50 points of water damage and forces the target to make a Str save or be knocked back 1d4x5 feet and fall prone.

Empower
The user can increase the damage dealt by 10 and thus the knock back distance by 1 die size at the cost of 2 points of Chakra, up to 20 points of water damage and 1d8x5 feet knockback.