The real and pure issue is
What is the 18 HD CR 12 warrior equivalent to this:
How about this?
Stalwart Elena Hadrian
Fighter 18; Order of the Gorgon
STR: 18+2, INR: 11, WIS: 13, DEX: 8, CON: 15, CHA: 11+2
Background: Street Rat (Streetwise, Tighten Belt, Criminal Contact)
1st Fighting Style (Defender- +1 AC w/ armor)
2nd Action Surge
3rd Improved Critical; Order of the Gorgon (joins at 3rd, could have at 1st)
- Hide of the Beast (+2 AC with Heavy Armor)
- Geas: Must be barefoot and in contact with the ground
3rd Order of the Gorgon (Blood-bound, +1 hp/level)
5th Leadership (+1 Morale to followers w/in 30 ft)
6th Order of the Gorgon (The Beast Does Not Move- Considered large sized & x3 weight against forced movement, grappling, and lifting)
6th Order of the Gorgon (Comfort of Stillness- paralyzation, hold, &c. at half duration. May be completely immobile for level in minutes at a time)
7th Remarkable Athlete
9th Indomitable;
9th Order of the Gorgon (The Charge Does Not Stop- As “The Beast”, but applies to applying forced movement, &c. Hurled weapons can charge / overbear.)
10th Fighting Style (Unarmed Fighting)
12th Order of the Gorgon (Breath of the Gorgon- Stunning strike, 1 + CON mod / hr)
15th Superior Critical; Order of the Gorgon (Immunity to paralyzation, petrification, &c. May be immobile for up to 12 hours)
18th Survivor; Order of the Gorgon (Open / Close Fissure, 1/day)
Weapon:
Grinder; +2 Battle axe, Wounding; if scoring a critical hit, the axe bites into the foe and chews. The next hit is automatic.
Item: Heartbound Gauntlet- One bonded item within 30 ft. can be summoned to the hand as a free action
Totemic Armor: +2 Plate made from gorgon scales. Weighs twice as much as normal to those outside the Order due to the thick crude plates. Grants +2 STR to members of the Order.
To separate it out:
Order of the Gorgon
Earth/Metal based fighting style
Geas: Must be barefoot and touching the ground
1st: +2 AC with heavy armor
3rd: +1 hp/level
6th: Bonus to resist forced movement
6th: Partial immunity
9th: Bonus to apply forced movement
12th: Stunning Strike
15th: Full immunity
18th: Thematic attack