Source from Facebook 神魔之塔
答案就是:怪物彈珠!
神魔之塔 x 怪物彈珠
第三彈合作確認!
#神魔活動資訊
https://i.imgur.com/8A7YPz5.jpg
https://i.imgur.com/ri8WTNu.jpg
https://i.imgur.com/dMgczye.jpg
https://i.imgur.com/ngMzL83.jpg
https://www.facebook.com/391977874226071/posts/5340475352709607/?d=n