Phaethon's Reins

A level 8 aerial control mission on a runaway sun-chariot.

Style: High-speed aerial disaster with mythic vehicles, rescue choices, and divine restraint.
Win: Board and control the sun-chariot, spare Phaethon if possible, and turn the blaze away from all three cities.
Lose: The chariot crosses the third city uncontrolled, Helios is blamed for mortal ruin, and the sky-road remains cracked.
Maguffin: Spare Golden Rein · Ally: Aello, Wind-Harness Rider · QG: Heliope, Singed Dawn-Priest

"Three bronze city tokens grow hotter in sequence. A hair-thin golden rein loops through them and tightens whenever someone boasts."

Major Beats

The first city shows the cost of pride in roofs, wells, and frightened children.
Aello offers discipline where the myth offers only speed.
Phaethon is terrified, not malicious, and can still answer to his name.
The chariot is won by shared control, not by slaying the sun.

Difficulty

Tier	Adjust
As Written ★	6 PCs · APL 11
Library Standard	6 PCs · APL 8 — Reduce boss HP ~25–30% and save DCs −1; remove 1–2 minions per wave; allow one free short-rest beat after Enc. 1.
Easier	APL 9–10: use Library Standard, then Favor/track win −1 or boss HP −10%.
Harder	APL 12–13: boss HP +25%; add a lieutenant; no free rest.

ENC 1 — First City in the Heat-Haze

Enc 1: Aerial Rescue · ~45 min · Temple roof, bell towers, hot updraft columns, burning market awnings.

Non-combat path: rescue civilians and stabilize launch points with 5 successes before 3 failures.
Use the Golden Rein as an anchor line for one falling creature or mount.
Recruit Aello by saving her pegasi team or following her aerial signals.
Each rescue success banks a cooling token usable in Encounter 3.

ENC 2 — Between the Second Smoke and the Sea

Enc 2: Sky-Road Skill Challenge · ~60 min · Cloud causeway, sunbeam rails, storm gap, drifting wreckage.

Non-combat path: navigate, signal, and leap across the sky-road with group checks.
Driving off vultures without delay preserves one city token from overheating.
Talking Phaethon down through the glare grants advantage on the first control check.
A failed boarding attempt separates one PC onto a wheel-sponson hazard.

ENC 3 — Hands on the Burning Yoke

Enc 3: Hard Control Boss · ~90 min · Sun-chariot deck, four yoke stations, wheel rims, loose flame pennants.

Hard fight: each round choose between damage control, yoke control, or saving a falling ally.
Maguffin payoff: thread the Golden Rein and speak all three city names to unlock final control.
Do not kill Helios or make destroying the chariot the win condition.
Three accumulated control successes before three scorch failures saves every city.

STAT BLOCKS

6 PCs level 8; aerial skill challenge into boss vehicle.
Goal: control chariot, not kill Helios.
Recruit Aello through rescue or discipline.
Enc 3 is Hard; Golden Rein enables final control.
Track three cities: cool, threatened, scorched.

Maguffin

Spare Golden Rein

Can anchor a flying mount, skyhook, or falling PC; advantage on one aerial Athletics, Acrobatics, or Animal Handling check.
Looped through the chariot yoke with three city names spoken aloud, it permits the final control contest and prevents a city-scorch.

NPC / ALLY

Heliope, Singed Dawn-Priest

Keep Helios's name from becoming a curse by saving the cities before divine punishment becomes inevitable.
She forbids killing Helios's son as the plan; control the chariot, do not murder the problem.

Aello, Wind-Harness Rider

Recruit Enc. Encounter 1 or 2: Save her crashed pegasi team, accept her chain of command in the air, or promise to rescue Phaethon rather than shoot him down.
AC 16 · HP 72 · Storm javelin +8 to hit, 120 ft., 2d6+4 piercing plus 2d6 lightning.

Remember

Board and control the sun-chariot, spare Phaethon if possible, and turn the blaze away from all three cities.

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