How to open the Necromancer's Lair Treasure Box in the Sea of Stars? Let's take a look at how to open the Necromancer's Lair Treasure Chest .
1. Let’s first defeat the skeleton soldiers in the area.
2. After defeating it, we can find the hidden path as shown in the picture below.
3. Through the hidden path, we can go to the treasure chest room and open the treasure chest. Inside the treasure chest is an Avenger Armor.
