Throne and Liberty Resistance Intel Officer's Advice
Chapter 6: The Song of the Vienta Dwarves Exploration Codex Entry

A Resistance spy you met in Vienta Village handed over a letter from DaVinci. The letter said that you must find the Golem's Heart, which has the power of a Star Fragment, before the Arkeum Legion does. First, you must seek out a dwarf called Henderson to get important clues.