Fantasy Monster: Knightmare

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Knightmare

A towering figure of bones, forming an armored silhouette fused with a ghastly steed.

CR 16; XP 76,800
LE Large Undead

Init +6; Senses darkvision 60 ft.; Perception +30

Defense
AC 31, touch 11, flat-footed 29 (+10 armor, +2 Dex, +7 natural, +3 shield, –1 size)
hp 252 (24d8+144); fast healing 10
Fort +14; Ref +12; Will +19

Immune undead traits; Resist acid 10, cold 10, electricity 10, fire 10

Offense
Speed 50 ft., fly 50 ft. (clumsy)

Melee lance charge +30 (2d6+9, ×3 on charge, or ×5 on critical hit) or longsword +26/+21/+16/+11 (2d6+9, 19–20/×2), bite +24 (1d8+4), and 2 hooves +24 (1d4+4)

Ranged bone javelin +20 (1d8+9)

Space 10 ft.; Reach 5 ft. (10 ft. with bone lance)

Special Attacks ghastly charge, staggering critical (DC 28)

Statistics
Str 26, Dex 15, Con —, Int 15, Wis 16, Cha 23
Base Atk +18; CMB +27; CMD 39 (43 vs. trip and overrun)

Feats Critical Focus, Furious Focus, Improved Initiative, Iron Will, Lightning Reflexes, Mounted Combat, Multiattack, Power Attack, Quick Draw, Run, Spirited Charge, Staggering Critical

Skills Acrobatics +26, Fly +19, Intimidate +33, Knowledge (nobility) +26, Perception +30, Ride +29

Languages Common, Draconic, Giant

SQ the rider and the mount

Ecology
Environment battlefields, graveyards, ruins, roads
Organization solitary, pair
Treasure standard (including +1 lance, +1 longsword, +1 large shield, the heavy armor and barding are fused and twisted together, and can only be recovered as a magical curio)

Special Abilities

Ghastly Charge (Su) A knightmare can charge across difficult terrain and other creatures,  friend or foe, as long as it doesn't stop in their space. A knightmare doubles attack bonus (already included in the lance charge attack in the stat block) and ignores AC penalty of the charge action and gains +4 bonus to AC against attacks of opportunity triggered by the movement while charging.

The Rider And The Mount (Ex) Despite being a singular creature, a knightmare counts as a rider, a mount, or both, depending on what would be the most beneficial in the specific circumstances, allowing it to, among the others, benefit from mounted charge damage multipliers and negate one hit with Mounted Combat feat. A knighmare ignores max Dexterity, armor check penalty, and movement speed reduction of heavy armor and barding worn.

A knightmare is an profane amalgamation of a once might cavalier and their steed—an unliving warrior roaming the roads, battlefields, and ruined castles, seeking challenges and spreading death. While some of the knighmares keep some twisted sense of chivalry, others differ little from robber-knights (whom they might had been in life), aside of having little use for wealth and comforts of the living.