サンダーランス [thunder lance] in Japanese. Not to be confused with Thunder Spear.
Final Fantasy II

Stats: ATK +78, ACC +67%, EVA +2%
Equip: all
Obtain: ?
Description: A spear echoing with thunder
Other: as Thunder Lance
Airborne Brigade

R+
Type: Spear, Element: Thunder, Growth: Slow, Cost: 16
Attack: 1,330 (lv1), 5,476 (lv80), ? (lv100), ? (lv120), ? (lv140), 13,170 (lv160)
Defense: 1,300 (lv1), 5,352 (lv80), ? (lv100), ? (lv120), ? (lv140), 12,870 (lv160)
Obtain: event: Saronia Castle Mysteries
Other: as 'Thunder Lance'
R
Type: Spear, Element: Thunder, Growth: Slow, Cost: 12
Attack: 970 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), 8,230 (lv120)
Defense: 940 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), 7,980 (lv120)
Obtain: event: Saronia Castle Mysteries
Pictlogica

Stats (lv1): STR +45
Stats (lv15): STR +77
Buy: - (sell: ? gil)
Obtain: -
Alchemy: Trident, Magicite Fragment, Blue Drop
Type: Spear, Rarity: ★★★, Element: Lightning
Category: Equipment