The vast open world of Tower of Fantasy has a slew of enemies, some more powerful than others. If you want to obtain important items, such as upgrade materials, Matrix Chips, and other items, you need to find Advanced Password Chests dropped by World Bosses. Apophis is a World Boss you can find in Banges, the northeast of Astra. Here's where you may find it.
Where can I find North Highlands Banges Factories in the Tower of Fantasy?
Apophis is located near the coordinates in the North Highlands Banges Factories (-483.6, 23.1), and head south to find a clearing housing Apophis. Refer to the map below for its exact location.
Keep in mind that this World Boss is level 30. You may try to defeat it at lower levels, but it may be helpful to get help from other players. You may post the coordinates in the World Chat and ask others to assist you. After defeating Apophis, everyone will be eligible to receive the Advanced Password Chest reward.
Check out our list of Where to Find Robarg in Tower of Fantasy to find another World Boss in Aesperia.