An expedition — a multi-part escalation chain (typically four sites) obtained by chance (~5%) from an unrated complex, tracked in The Agency. Each completed part has roughly a 50% chance to continue, usually toward lower-security space than where it began.
The Molting Season spawns in high-sec, low-sec and null-sec. How you find it: escalation only — cannot be scanned down.
What spawns in the Molting Season?
The Molting Season has 23 waves and about 165 NPCs: 23 battleships, 11 battlecruisers, 64 cruisers, 10 destroyers and 57 frigates. Killing the trigger ship spawns the next wave; the triggers are Sentient Domination Alvus and Sentient Alvus Creator.
Does the Molting Season escalate?
The Molting Season is itself an escalation from Radiance.
What does the Molting Season drop?
Faction/commander drops scale with the chain's depth; the fourth site carries the headline table.
Access C Single-source / unverified
Ship restrictions
Not recorded
NPC roster C Single-source / unverified
Community-maintained wave list from the site's own wiki page — counts and triggers vary between spawns; treat as the shape, not gospel.
First location — Initial defenders4 ships
Qty
NPC
Hull
4
Strain Raider/Splinter Alvi
F
4
Disintegrator/... Alvum
C
7-8
Strain Annihilator/... Alvum
C
1
Sentient Domination Alvus Drone components and possibly a Sentient Sensor Booster.TRIGGER