The Rauvinheart caverns were an immense system of caverns and tunnels underneath the Rauvin Mountains in Luruar.[1]


The Rauvinheart caverns were located underneath Dead Orc Pass and the mountains on either side of the pass.[1]


The caverns were heated by a geothermic source. The River Rauvin passed through the caverns and emerged at the southern mouth of Dead Orc Pass in a waterfall-filled area known as Rainbow Gorge.[1] A number of entrances to the caverns were located in Dead Orc Pass.[2] The caverns were home to creatures of the Underdark and fungi that served as food sources for the orcs that dwelt in the Rauvins.[1]


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