Come to the Birdman Mountains • Explore the mountains as a halfling, half-harpy, kestrel, strix, urisk, or xax. • Visit the markets of Harhold, the lost settlement of Krikoym, the winding passages of Old Deeps, or cursed Ruin Spires. • Select new options for bards, bloodragers, druids, fighters, hunters, oracles, sorcerers, wilders, and wizards. • Take back the mountain from the savage harpies that prey on all humanoids as an Underhold Agent. • Select from over a dozen new feats and spells to complement your arsenal. The fifth book exploring the regions that make up the Lands of Porphyra Campaign Setting. - from the publisher's blurb