Examples of Texture Changes

Diamonds and all item variants have been retextured and renamed as Mithril

Purpur blocks and all variants have been retextured and renamed as Starstone

Red sand/sandstone blocks are more vibrant red

Iron doors have been changed to reinforced wooden doors with a lock 

Armors have been modified.
Pictured are leather and mithril armor

Monsters originating from the army of the dead are wearing remnants of their old uniforms