Armé/Armée jusqu'aux dents

This requires a lot of relic EXP material, so tread cautiously.

Very common English idiom that means to be heavily armed with a lot of weapons or with very effective weapons. The Chinese version, 全副武装, which translates to fully armed, is a variant of the English idiom. Apart from that, it is also the Chinese name of a card in the game Hearthstone, which is called Armor Up! in English, the warrior class' basic Hero Power, granting the player 2 Armor.