The fifteen bosses, one every other scenery from the third to the last. Each entry says how many spells and talent points a solo caster holds there, and links to its solo Nightmare guide.
The hoar-mammothScenery 3 · the northern spur toward Sortheld harbour.
The first boss. A solo caster holds only the two spells the hero starts with, and 2 talent points (one per scenery cleared).
The fell-daeodonScenery 5 · the Calvendris Heart's northern edge.
A solo caster reaches this boss holding 3 spells: the two the hero starts with and one from each of the 1 boss drafts before it, with 4 talent points spent (one per scenery cleared).
The hoar-bearScenery 7 · the approach to Ostvalden.
A solo caster reaches this boss holding 4 spells: the two the hero starts with and one from each of the 2 boss drafts before it, with 6 talent points spent (one per scenery cleared).
The toll-master of the thyrn-mouthScenery 9 · Thyrnvold, the Thyrn-Mouth narrows.
A solo caster reaches this boss holding 5 spells: the two the hero starts with and one from each of the 3 boss drafts before it, with 8 talent points spent (one per scenery cleared).
The reading at brenvaskScenery 11 · Brenvask, the Skara-narrows relay.
A solo caster reaches this boss holding 6 spells: the two the hero starts with and one from each of the 4 boss drafts before it, with 10 talent points spent (one per scenery cleared).
The storm-prophet of halvnastScenery 13 · Halvnast, the mid-reach promontory shrine.
A solo caster reaches this boss holding 7 spells: the two the hero starts with and one from each of the 5 boss drafts before it, with 12 talent points spent (one per scenery cleared).
The answer at skeldnarScenery 15 · Skeldnar, the Skeld Throat anchorage.
A solo caster reaches this boss holding 8 spells: the two the hero starts with and one from each of the 6 boss drafts before it, with 14 talent points spent (one per scenery cleared).
The seat's oathwardScenery 17 · Holdskarr, the Skarr-Seat.
A solo caster reaches this boss holding 9 spells: the two the hero starts with and one from each of the 7 boss drafts before it, with 16 talent points spent (one per scenery cleared).
The warping-masterScenery 19 · Votskarr, the Voth confluence.
A solo caster reaches this boss holding 10 spells: the two the hero starts with and one from each of the 8 boss drafts before it, with 18 talent points spent (one per scenery cleared).
The pit-keeperScenery 21 · Tornskarr, the Bend-Cliff.
A solo caster reaches this boss holding 11 spells: the two the hero starts with and one from each of the 9 boss drafts before it, with 20 talent points spent (one per scenery cleared).
The settlingScenery 23 · Halvnar, the Outer Hold.
A solo caster reaches this boss holding 12 spells: the two the hero starts with and one from each of the 10 boss drafts before it, with 22 talent points spent (one per scenery cleared).
The lantern-nesterScenery 25 · Grevnfast, the Skara-mouth outer headland.
A solo caster reaches this boss holding 13 spells: the two the hero starts with and one from each of the 11 boss drafts before it, with 24 talent points spent (one per scenery cleared).
The mound-headScenery 27 · the Mokrar clan-territory, inner forest.
A solo caster reaches this boss holding 14 spells: the two the hero starts with and one from each of the 12 boss drafts before it, with 26 talent points spent (one per scenery cleared).
The slag-founderScenery 29 · Vorthskarr's slag-ground and walls.
A solo caster reaches this boss holding 15 spells: the two the hero starts with and one from each of the 13 boss drafts before it, with 28 talent points spent (one per scenery cleared).
The instrumentScenery 31 · the great central hearth.
A solo caster reaches this boss holding 16 spells: the two the hero starts with and one from each of the 14 boss drafts before it, with 30 talent points spent (one per scenery cleared).