Ice Nova Technique

Hyouseidan no Jutsu (Ice Nova Technique)
Ninjutsu (Hyouton; requires 6 or more Hyouton techniques) [Cold]
Rank: 14 (S-Class);
Range: Long (30 ft. + 15 ft./2 extra chakra);
Area: 40-ft. radius burst;
Duration: Instantaneous;
Saving Throws: Dex half;
Chakra Resistance: Yes;
Chakra Cost: 15.

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

Empower
The user may spend 7 points of chakra to increase the damage by 25, up to a max of 50.

Material Focus: A huge (at least 1250³ feet) source of snow or ice nearby.