[ROX SEA] FULL GUIDE. Golden Thief Bug Nightmare Mode Sewer Vault Instance | RO仙境传说新世代的诞生東南亞服 | King

This is a full guide on tips and tricks to successfully complete Golden Thief Bug Nightmare Mode in Sewer Vault Instance. All you need to know about the GTB nightmare mode instance. Watch here for more detail https://youtu.be/f5o9GaWu1b #BilibilixROX