Energy

Energy is what helps you build units in battle. There are three types of Energy provided by Temples and "Generators":
- Wind Energy from and
- Rain Energy from and
- Thunder Energy from and

Building units using Energy

Icons next to each thing you build tell you what Energy is needed to complete the structure. For example,

tells you that this Thunder Cannon will need one Thunder Energy - that is, a Thunder Temple or a Thunder Generator must be nearby to satisfy the Cannon's Energy requirement.

When you see that a unit requires Sun Energy - - it means that any sort of Energy will satisfy its requirements. For example,

tells you that this Sun Cannon will accept one of any Energy, be it Rain, Wind, or Thunder.

Left-click on Temples and Generators to see the Energy they provide.