All right. I think I get it. Let me try to facilitate both sides.
Centaur Cavalier Level 18 Soldier
Large Fey Humanoid XP 2,000
Initiative +15,
Senses Perception +16, low-light vision
Smell of the Barn; Aura 1 - the air around the centaur cavalier smells like hay. This has no effect.
HP 172;
Bloodied 86
AC 34,
Fortitude 31,
Reflex 29,
Will 30
Speed 8
Bastard sword (standard, at-will) Weapon
+24 vs AC; 1d10+6 damage, plus 1d6 damage while charging. Effect: Target is marked until the end of the centaur cavalier's next turn.
Quick Kick (immediate reaction, when a creature moves into a space where it flanks the centaur cavalier, at-will)
Targets the triggering creature; +25 vs. AC; 1d6+6 damage.
Sugar Cubes
The Centaur Cavalier loves sugar cubes, and will always accept them when offered outside of combat. In combat, the centaur cavalier's behavior will not change, but he will loot the sugar cubes post combat.
Allergic to Strawberries and Bees
Strawberries cause flatulence in the Centaur Cavalier, and bee stings result in hives. This has no mechanical effect.
Left Handed
When offered a handshake, the Centaur Cavalier will present the left hand to shake.
Fear of Heights
The Centaur Cavalier does not like heights, and will be nervous in areas with heights. This does not have any mechanical effect or alters behavior, but just the personality of the cavalier in the presence of heights.
Must Lead
During any sort of dance, the Centaur Cavalier has to be the lead.
Gambling Debts
The Centaur Cavalier has gambling debts.
Self Conscious About Education
The Centaur Cavalier dropped out of Centaur High-school. He is self conscious about his scholatic efforts. This has no mechanical effect on any knowledge skills or interactions.
Likes Brunettes
The Centaur Cavalier is attracted to brunettes. This does not impact any skill checks made by brunettes, merely a personal preference of the Centaur Cavalier.
Snores
The Centaur Cavalier snores.
Recurring Dream
The Centaur Cavalier has a recurring dream where he is a butterfly. He has told no one of this.
Alignment: Unaligned. Some times the Centaur cavalier is inclined to good behavior, such as when interacting with children or small fuzzy animals or during spring time, but other times (such as when just waking or towards those who talk during movies) the Centaur Cavalier is inclined to evil. But in general the Centaur Cavalier considers himself "neutral" and behaves as such.
Language: Elven, Twin Language (The Centaur Cavalier has a twin, and the two can communicate with their own language. The Centaur cavalier's twin is not present.)
Skills: Athletics +20, Insight +16, Nature +16, Underwater Basketweaving +2, Riverdancing +18, Centaur Cavalier's Family History and Geneology +20, Carrot Growing +28,
Str 23 (+15)
Dex 19 (+13)
Wis 14 (+11)
Con 20 (+14)
Int 11 (+9)
Cha 21 (+14)
Equipment chainmail, light shield, bastard sword, pocket full of gambling debts, pouch of sugar cubes, bag of carrots, allergy medication, pocket lint, gum wrapper (cinnamon), four horse shoes.
There. Now the Centaur Cavalier's statblock accommodates contingencies such as if the PCs challenge the enemy to a dance off, if the PCs have a tea party, or if the PCs invite the Centaur Cavalier to a sleep over or wish to travel with the centaur cavalier.