Arboreal Archive

Creature 12
  • Huge
  • plant
  • wood
Perception
+25; low light vision, tremorsense (imprecise) 60 feet
Languages
Arboreal, Common, Fey, speak with plants
Skills
Athletics +23, Diplomacy +22, Forest Lore (applies to the arboreal archive's territory) +28, Nature +25, Stealth +19
Str +7, Dex −1, Con +5, Int +4, Wis +7, Cha +4

Tremorsense (Imprecise) 60 feet

Constant Spells

AC
33; Fort +23, Ref +17, Will +27
HP
230; Weaknesses axe vulnerability 10, fire 15; Resistances bludgeoning 10, piercing 10

Abeyance Rift If an arboreal archive dies unexpectedly before passing on their knowledge in a succession ritual, the amassed lore within their roots and boughs explodes out in a shock wave that deals 8d10 mental damage to creatures within 30 feet (DC 32 basic Will save) before dissipating; those who fail also fall Prone.

Axe Vulnerability An arboreal archive takes 10 additional damage from axes.

Speed
25 feet

Melee ◆ branch +25 (reach 15 feet), Damage 3d10+10 bludgeoning plus Improved Knockdown

Primal Innate Spells DC 32, attack +24; 6th tangling creepers; 3rd earthbind (at will); 2nd entangling flora; Constant (4th) speak with plants

Memory Maelstrom ◆◆◆ (concentrate, incapacitation, mental, nonlethal, primal) The arboreal archive tries to overwhelm foes with a surge of information it has absorbed over its long life. This surge deals 5d6 mental damage to each enemy within 40 feet, who must attempt a DC 32 Will save.

Critical Success The creature maintains its composure, takes no damage, and is temporarily immune to Memory Maelstrom for 1 minute.

Success The creature is Stunned 1 and takes half damage.

Failure The creature takes full damage and is Stunned 3.

Critical Failure The creature takes double damage, is Confused for 2d4 rounds, and is stunned 3.

Improved Knockdown ◇

Source: Pathfinder Monster Core 2

Running this fight? Add the arboreal archive to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.

ORC Notice. From Pathfinder Monster Core (© 2024 Paizo Inc.) and Monster Core 2 (© 2025 Paizo Inc.). This product is licensed under the ORC License held in the Library of Congress at TX 9-307-067 and available online at various locations including www.paizo.com/orclicense, www.azoralaw.com/orclicense and others. All warranties are disclaimed as set forth therein. "Pathfinder" is a trademark of Paizo Inc.; this site is not published, endorsed or approved by Paizo Inc.

Full attribution and authors