蛮勇 (ばんゆう)foolhardiness; recklessness; savage valour

蛮勇, its kanji, and other words that share them.Open this graph

Kanji in 蛮勇

南蛮なんばんsouthern barbarians (formerly used by the Chinese to refer to non-ethnic Chinese to the south)
蛮行ばんこうact of barbarity; barbarism
野蛮やばんsavage; barbarous
とり南蛮とりなんばんchicken nanban
チキン南蛮チキンなんばんfried chicken with vinegar and tartar sauce
南蛮人なんばんじんWestern European (esp. the Spanish and the Portuguese); southern barbarian
南蛮宗なんばんしゅうChristianity
南蛮寺なんばんじChristian churches built in Japan in the second half of the 16th century
勇気ゆうきcourage; bravery
勇ゆうbravery; courage
勇退ゆうたいbowing out; retiring voluntarily
義勇ぎゆうheroism; loyalty and courage
勇ましいいさましいbrave; valiant
勇み足いさみあしovereagerness; rashness
勇むいさむto be in high spirits; to be encouraged
勇士ゆうしbrave warrior; hero

See how 蛮勇 connects to the rest of Japanese.