A few Summoners War buildings need to be purchased with crystals. These buildings are expensive, but you’ll find that they pay for themselves in the long run. You’ll use them so much, you’ll forget what you ever did without them! Here’s all you need to know about Summoners War crystal buildings.
Secondary Summoners War Buildings: Crystals
Cost: 300 Crystals
A giant beast made entirely out of crystal. It will generously let you take one crystal worth of itself every 8 hours. This building holds a maximum of 3 crystals at once.
Cost: 400 Crystals
A peaceful, non-magical lake where you can send up to 4 of your monsters to get 150 experience points per hour when you’re not battling with them.
Cost: 500 Crystals
Much like the Crystal Lake, you can send up to 5 monsters you’re not using to get 150 experience points an hour. The Lake and Cliffs are great ways to level up your Angelmon and Devilmon so they’re of more use in the Power-Up Circle.