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Mysterious Island Simulator - September (2) 2025

How to use the Mysterious Island tool

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.

Best Paths (September 2, 2025)

Sorted by Emeralds per Move (highest first).
Note: Cascade island is better in terms of EPM.
Compared to September (1), this island has much higher EPM (if you are in need of golden thread or titan skin stone).

1
Path #1 — 19 moves, 97,164.51 emeralds (5,113.92/move)
19 moves — 97,164.51 emeralds (5,113.92 / move) Golden Thread ×3500; 18 Random Chest; 4 Chest of Patterns
2
Path #2 — 32 moves, 132,276.19 emeralds (4,133.63/move)
32 moves — 132,276.19 emeralds (4,133.63 / move) Golden Thread ×3500; 30 Random Chest; 7 Chest of Patterns; Titan Skin Stone ×60000
3
Path #3 — 33 moves, 121,466.66 emeralds (3,680.81/move)
33 moves — 121,466.66 emeralds (3,680.81 / move) Golden Thread ×3500; 31 Random Chest; Primal Catalyst ×50; 4 Chest of Patterns
4
Path #4 — 51 moves, 178,940.71 emeralds (3,508.64/move)
51 moves — 178,940.71 emeralds (3,508.64 / move) Golden Thread ×3500; 48 Random Chest; 10 Chest of Patterns; Titan Artifact Sphere ×500; Titan Skin Stone ×60000
5
Path #5 — 46 moves, 156,578.34 emeralds (3,403.88/move)
46 moves — 156,578.34 emeralds (3,403.88 / move) Golden Thread ×3500; 43 Random Chest; 7 Chest of Patterns; Titan Skin Stone ×60000; Primal Catalyst ×50
6
Path #6 — 65 moves, 203,242.86 emeralds (3,126.81/move)
65 moves — 203,242.86 emeralds (3,126.81 / move) Golden Thread ×3500; 61 Random Chest; 10 Chest of Patterns; Titan Artifact Sphere ×500; Titan Skin Stone ×60000; Primal Catalyst ×50
7
Path #7 — 18 moves, 27,672.04 emeralds (1,537.34/move)
18 moves — 27,672.04 emeralds (1,537.34 / move) 17 Random Chest; Primal Catalyst ×50

Which Path Is Best? (Emerald Value vs. Move Budget)

Matches the gallery order — sorted by Emeralds per Move (highest first).

Lowest Move Count (limited Explorer’s Moves)

  1. #1 — 19 moves → very high value, includes Golden Thread ×3500.
  2. #7 — 18 moves → quick grab for Primal Catalyst ×50, but much lower EPM.

Highest Total Emeralds (sheer volume)

  1. #6 — 203,242.86 (65 moves)
  2. #4 — 178,940.71 (51 moves)
  3. #5 — 156,578.34 (46 moves)

Pick based on your goal

Full Summary Table

# Moves Total Emeralds Emeralds / Move Notable Rewards
11997,164.515,113.92Golden Thread ×3500; 18 Random Chest; 4 Chest of Patterns
232132,276.194,133.63Golden Thread ×3500; 30 Random Chest; 7 Chest of Patterns; Titan Skin Stone ×60000
333121,466.663,680.81Golden Thread ×3500; 31 Random Chest; Primal Catalyst ×50; 4 Chest of Patterns
451178,940.713,508.64Golden Thread ×3500; 48 Random Chest; 10 Chest of Patterns; Titan Artifact Sphere ×500; Titan Skin Stone ×60000
546156,578.343,403.88Golden Thread ×3500; 43 Random Chest; 7 Chest of Patterns; Titan Skin Stone ×60000; Primal Catalyst ×50
665203,242.863,126.81Golden Thread ×3500; 61 Random Chest; 10 Chest of Patterns; Titan Artifact Sphere ×500; Titan Skin Stone ×60000; Primal Catalyst ×50
71827,672.041,537.3417 Random Chest; Primal Catalyst ×50

Methodology & Assumptions

Data sources. Emerald values use HWG or rarity-fair pricing. Screenshots show simulator runs and do not enforce the “first move south of the Portal” rule; that rule may shift the path slightly but usually doesn’t change the top-tier choices.

How we score. For each path we total the emerald value of all rewards, then compute Emeralds per Move (EPM) = Total Emerald Value ÷ Explorer’s Moves. We rank by EPM for efficiency and also report total emeralds for players who care about raw volume.

Interpreting the rankings. #1 has the best EPM (~5,113.92) with 19 moves, which beats the longer runs on efficiency, while #6 wins on total volume (203k+). If you’re move-limited (~30), #2 (32 moves, ~4,133.63 EPM) and #3 (33 moves, ~3,680.81 EPM) are the best compromises; choose #7 (18 moves) only for a quick Primal Catalyst grab, as its EPM is much lower.

What is in the Random Chest?

Best path 1

Emerald value used in the simulator

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 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