Tachi: Goten
轟天 [goten] or 'rumbling heaven' in Japanese. Tachi in the English name refers to 太刀 [tachi], which in this case refers to skills associated with greatswords.
Airborne Brigade

N+
Type: AGI, Element: Thunder, Growth: Normal, Cost: 5
Attack: 320 (lv1), ? (lv40), ? (lv50), ? (lv60), ? (lv70), 1,760 (lv80)
Defense: 320 (lv1), ? (lv40), ? (lv50), ? (lv60), ? (lv70), 1,400 (lv80)
Place: many
N
Type: AGI, Element: Thunder, Growth: Fast, Cost: 2
Attack: 120 (lv1), ? (lv20), ? (lv25), ? (lv30), ? (lv35), 360 (lv40)
Defense: 110 (lv1), ? (lv20), ? (lv25), ? (lv30), ? (lv35), 310 (lv40)
Place: many
Category: Ability