世界樹の迷宮S 世界樹の迷宮S_悠久の覇者
Short-lived mobile gacha spin-off of the [[Sekaiju no Meikyuu]] series. Its only new character was [[Bunny (sekaiju s)]], who appears as a guide in the tavern.

Full title: Sekaiju no Meikyuu S: Yuukyu no Hasha
English title: Etrian Odyssey S: Eternal Conquerors
sekaiju no meikyuu s