Pathfinder 2E: Lost Omens Draconic Codex

Dragons! The very name invokes power beyond reckoning, fire that can melt mountains and fangs the size of swords. To face a dragon is to face the ultimate challenge of any adventurers career. The reward for victory: gold, enough to twist any mortals heart into a bigger monster than the one they just slew. Inside this tome lies the secrets of dragonkind, as well as those mortals who look upon them with awe or with bitter envy. Research a fearsome foe or summon the courage to make an ally of these primordial beings and put your strength and wisdom to the test. Success will see triumph beyond measure, while failure leads to an ignominious end within the dragons maw!