Grass Spikes Technique

Kusa Kasui no Jutsu (Grass Spikes Technique)
Ninjutsu [Kusagakure Hijutsu]
Rank: 4 (C-Class);
Range: Close (10 ft. + 5 ft./2 extra chakra(not used for empower));
Area: Two 5-ft.-squares;
Duration: 1 minute/2 extra chakra (not used for empower);
Saving Throws: None (see text);
Chakra Resistance: No;
Chakra Cost: 4.

Upon completion of this technique, the user may chose two five-foot squares. The chosen squares must have either short grass, moss or a similar type of short plant growth. Each of the chosen squares will count as though makibishi (caltrops) had been spread on them for the duration of the technique. The more squares affected, the higher the Chakra cost.

Empower
The user may spend an additional point of chakra to affect an additional square, up to a maximum of 7 (2 + 7 for a grand total of 9).