They really call it Additional Weapons in Japanese too huh

components/ExtraWeapons/index.tsx

@@ -1,4 +1,5 @@
 import React from 'react'
+import { useTranslation } from 'next-i18next'
 import WeaponUnit from '~components/WeaponUnit'
 
 import './index.scss'
@@ -15,10 +16,11 @@ interface Props {
 
 const ExtraWeapons = (props: Props) => {
     const numWeapons: number = 3
+    const { t } = useTranslation('common')
 
     return (
         <div id="ExtraGrid">
-            <span>Additional<br />Weapons</span>
+            <span>{t('extra_weapons')}</span>
             <ul className="grid_weapons">
                 {
                     Array.from(Array(numWeapons)).map((x, i) => {

public/locales/en/common.json

@@ -174,6 +174,7 @@
         "loading": "Loading teams...",
         "not_found": "No teams found"
     },
+    "extra_weapons": "Additional<br/>Weapons",
     "coming_soon": "Coming Soon",
     "no_title": "Untitled",
     "no_raid": "No raid",

public/locales/ja/common.json

@@ -175,6 +175,7 @@
         "loading": "ロード中...",
         "not_found": "編成は見つかりませんでした"
     },
+    "extra_weapons": "Additional<br/>Weapons",
     "coming_soon": "開発中",
     "no_title": "無題",
     "no_raid": "マルチなし",