At release, the mod contains 2 altars and a temple. The temple is not a new item, rather a new model that we added. The windows in the temple may or may not look good depending on your graphics settings. The altars can be blessed and used just like any other altars. Server owners can set the limit on the amount that can fit inside of altars using the properties file settings.
Temple
Before:
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After:
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Altars that were added:
Huge Marble Altar
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Sacrificial Altar
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Download: https://github.com/Jubaroo/Altars/releases/latest