SPAWN OF YOG-SOTHOTH CREATURE 10 (weakened)
PF2e adaptation — starts with 6 permanent drained conditions (original negative levels).
Source: Lovecraftian / aberration — use AoN Gug or custom stat block.
Large Aberration
Perception +20; blindsight 30, darkvision
AC 28; Fort +18, Ref +16, Will +20
HP 133 (reduced by weakening); Immunities cold, fire
Resistances sonic 10; Weaknesses see Keeper-slaying mechanic
Speed 30 feet, climb 30 feet
Melee [one-action] jaws +17, Damage 2d10+8 piercing
Melee [one-action] tentacle +16 (reach 10), Damage 2d6+8 plus Grab
Constant invisibility — ends when glitterdust, see the unseen, etc.
Devastation [two-actions] — 4d6+16 damage to structure
WEAKENING — Each Keeper killed before spawn feeds removes 1 drained condition
and restores ~15 HP. Baskerwhel & Marshan already consumed at adventure start.