Monumentum Mithras rock-born of Dobrosloveni The sculpture of Dobrosloveni, Romania, has a hole from where water flowed. Mithras petrogenia of 3 The New Mithraeum23 May 2021Updated on Jan 2022 The full article is reserved for our members. Log in or create a free account to access the entire site. Mithras birth from the rock (Petra genetrix). On the rock side there is a round hole for water pipe.