Must have completed the Darkon Storyline
→ Head to /join ultradrago → Open Ultra Drago Merge shop
/join ultradrago (Ultra Drago Merge)/join ultradrago (Ultra Drago Merge)/join ultradrago (Complete the weekly quest there)/join garden (Speak to Darkon NPC → Complete "Darkon's Second" or "Third Errand" quest)/join Garden (Speak to Darkon NPC → Darkon's Merge Shop = 48,888,884 Gold)/join eridani (Reward from "Sweet Dreams Are Made of Teeth" quest)/join astravia (Reward from "Let Sleeping Dogs Lie" quest)/join astraviacastle (Reward from "Vanity Project" quest)/join astraviajudgement (Reward from "A Storied Vow" quest)