|Hand Seals||Monkey, Boar |
|Type||Kekkei Genkai, Hiden|
B1 is a C-rank technique created by Sigma Uchiha. Sigma either can draw this technique on paper or he could use the Monkey then Boar hand seals. The most known B1 he draws is a baby eagle that explodes the instance he makes the Tiger hand seal. This technique does a lowest for of explosion so even if a foe is caught by direct contact he/she still will not die but they will be wounded.