File:Hydra Gem 1.png File:Hydra Gem 2.png File:Hydra Gem 3.png File:Hydra Gem 4.png File:Hydra Gem 5.png File:Hydra Gem 6.png

A Hydra Gem enhances Hero's Energy Recovery and Maximum Energy Level for attacking kingdom monsters.  It is acquired through attacking a Hydra during the Hydra event in 2014.


The table below shows how the Hydra Gem affects the following attributes:

Boost Rank 1 Rank 2 Rank 3 Rank 4 Rank 5 Rank 6
Energy Recovery +10% +12.5% +15% +20% +30% +50%
Maximum Energy Limit +100 +150 +200 +250 +300 +500

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