BigBoB

Gem efficiency

KitKiller’s table on our site: event rewards vs expected House of Emeralds loot — no Excel or Google Docs.

Rates and amounts are alliance estimates. Decide for yourself where gems go.

→ Guide: gems early — VIP 6 & More Than Gems

Base event rewards

Reward Qty Chance
8h speedup (Research) 4 10.29%
8h speedup (Training) 4 10.29%
8h speedup (Building) 4 10.29%
Epic fragment (Head) 4 8.23%
Epic fragment (Legs) 4 8.23%
Legendary material (choice) ×3 3 1.23%
Legendary material (choice) ×1 1 2.06%
Epic material (choice) ×3 3 4.12%
Epic material (choice) ×2 2 8.23%
Epic material (choice) ×1 1 12.35%
Resources (choice) 2,500,000 24.69%

Expected from House of Emeralds

Rough expected loot if you spend ~5,200 gems on 10 House of Emeralds opens.

Reward At 5,200 gems
Speedup hours (Research) 33
Speedup hours (Training) 33
Speedup hours (Building) 33
Speedup hours (Universal) 45
Epic fragment (Head) 3
Epic fragment (Legs) 3
Basic materials 539
Base resources (food equivalent) 6,172,750
Army expansion (50%) 2

Event bonus milestones

Tier 1

  • 2 Epic material (choice)
  • 3 15h universal speedups

Tier 2

  • 3 Epic material (choice)
  • 4,000,000 Food
  • 4,000,000 Wood
  • 3,000,000 Stone
  • 1,600,000 Gold

Tier 3

  • 1 Legendary material (choice)
  • 3 Epic material (choice)
  • 2 24h universal speedups

Tier 4

  • 2 Legendary material (choice)
  • 3 24h universal speedups
  • 5 8h research
  • 5 8h training
  • 5 8h building

Tier 5

  • 2 Army expansion (50%)
  • 3 Legendary material (choice)