This tool shows the latest Mysterious Island layout and lets you plan your path to maximize rewards while minimizing resources.
Rewards and emerald values are based on HWG and rarity fair.
This December map is much worse than both the November map and Cyber Con in Emeralds per Move. The best route here is only about 1,745.54 emeralds per move, compared to ~3,700 EpM on the November map and ~3,000 EpM on Cyber Con. Overall recommendation: skip this map and save your Explorer's Moves. If you have lots of moves and still want to spend them, prioritize the November map first (untill it is live) for better efficiency (3735 or 3671 EpM for 63 or 57 moves) and wait for winterfest map.
Sorted by Emeralds per Move (highest first).
| Reward | Emeralds (per unit) |
| 'Pet Summoning Egg' | 250 |
| 'Summoning Sphere' | 75 |
| 'Chaos Particle' | 7 |
| 'Huge EXP potion' | 0 |
| 'Skin Stone Chest' | 14.516 |
| 'Large Skin Stone Chest' | 217.74 |
| 'Gold' | 0 |
| 'Titan Potion' | 0.15 |
| 'Soul Crystal' | 150 |
| 'Chaos Core' | 100 |
| 'Gleaming Seal Chest' | 12.5 |
| 'Titan Skin Stone' | 0.2667 |
| 'Essence of the Elements' | 0.1 |
| 'Flawless Artifact Chest' | 90 |
| 'Absolute Artifact Chest' | 180 |
| 'Random Greater Insignia' | 19.25 |
| 'Great enchantment rune' | 100 |
| 'Random Vibrant Crystal' | 9 |
| 'Artifact Seal Chest' | 12.5 |
| 'Titan Artifact' | 12.5 |
| 'Titan Artifact Sphere' | 45 |
| 'Energy' | 1.2 |
| 'Orange Equipment Chest' | 7000 |
| 'Violet Equipment Chest' | 5000 |
| 'Golden Thread' | 20 |
| 'Emerald' | 1 |
| 'Chest of Patterns' | 3000 |
| 'War Flag Chest' | 10000 |
| 'Wish Crystal' | 18 |
| 'Wish Insignia' | 19.25 |
| 'Ancient Coin' | 0.4 |
| 'Legendary Gift of the Dominion' | 40000 |
| 'Elemental Catalyst' | 571.5 |
| 'Primal Catalyst' | 267 |
| 'Sapphire Medallion' | 5000 |
| 'Harunian Brew' | 211.38 |
| 'Spooky Festival Doll' | 190 |
| 'Chip Key' | 300 |