Dear Terrarian...

The Dear Terrarian... is a Pre-Hardmode Codex obtained upon player creation. It can be read by left-clicking it while the Traveller's Journal is in the player's inventory, and can be accessed in the Codexes section in the Traveller's Journal.

Lore
Dear Terrarian who has stumbled upon this note. I regrettably tell you that I have lost. We are Godslayers, the bane of many, but still, we have lost in the final - and ultimately, the only fight that mattered. I am writing this letter with the last of my life forces. My friends have been slain, their wills broken. And I am to sacrifice my soul to contain the Evil thing. For us both, I beg you. You must pick up my sword, where me and my friends had left off, and continue my journey. For all of Terraria, please! Head to the Paradox Islands, and reap the Souls from bosses. You shall be granted audience with my old friend. He will guide you from there on. I am truly sorry, but now I must go. And if we ever cross paths, I beg you to slay me. For by then, I will no longer be the man writing this letter.