Earth-shattering Blast

Chimetsu Daigeki (Earth-shattering Blast)
Ninjutsu (Doton; requires 6 or more Doton techniques) [Earth]
Rank: 14 (S-Class);
Range: Long (30 ft. + 15 ft./2 levels);
Area: 40-ft. radius burst;
Duration: Instantaneous;
Saving Throws: Reflex half;
Chakra Resistance: Yes;
Chakra Cost: 10.

The user unleashes his ultimate elemental technique. Any creature and unattended object in the area of effect suffer 100 points of earth damage, halved with a successful Reflex save.

Empower
The user may spend 5 points of chakra to increase the damage by 10, up to a max of plus 50.

Material Focus: A large (at least 500 pounds) source of earth, stone or mud nearby.