Advanced Slasrath?

[zeo_evil]

Okay so tell me how on earth this is only a CR 12 according to the Monster Manual.

HD 8 advanced to HD 24 equals 16 HD or CR +4 and a size increase for another CR +1.
CR 7 + 5 is 12. Huh? Look at the numbers. Two epic feats? Can't be true.

Slasrath: CR 12; Huge aberration (extraplanar); HD 24d8+144; hp 252; Init +1; Spd 10 ft., fly 50 ft. (perfect); AC 18 (-2 size, +1 Dex, +9 natural), touch 9, flat-footed 17; Base Atk +18; Grp +37; Atk +28 melee (2d6+11 plus poison, sting); Full Atk +28 melee (2d6+11 plus poison, sting) and +23 melee (1d8+5, bite); Space/Reach 15 ft./10 ft.; SA poison, wing slash; SQ darkvision 60 ft.; AL N; SV Fort +14, Ref +9, Will +14; Str 33, Dex 12, Con 23, Int 1, Wis 10, Cha 10.
Skills and Feats: Listen +16, Spot +15; Alertness, Cleave, Deadly Poison, Epic Prowess, Epic Sunder, Great Cleave, Improved Sunder, Power Attack, Virulent Poison.
Poison (Ex): Injury, Fort DC 30, initial damage 1d4 Str plus 1d4 Dex, secondary damage 2d6 Con.
Wing Slash (Ex): If a slasrath charges, it can end the charge with a wing slash attack. The slasrath makes a +28 melee attack against every creature it threatens at the end of its charge. Each creature hit takes 3d8+22 points of damage. Additionaly, if an armor wearing creature takes damage from this attack, the creature must make a Reflex saving throw (DC 33) or the armor is shredded away instantly.

 

[Shade]

Yeah, Challenge Ratings get kinda wonky when you advance monsters. No 12th-level fighter has more than a prayer of keeping his armor intact against this guy. Of course, its lack of spell resistance and not very high saves makes it an easy target for spellcasters.

 

[the Jester]

Hmm, I'd peg this thing at no higher than CR 15... it's got a low AC, poor saves and no real special defenses. Its only real advantages are its wing slash and its ability to fly.

Where are Deadly Poison and Virulent Poison from, btw? Haven't seen them before...

 

[Krishnath]

Hmm, I'd peg this thing at no higher than CR 15... it's got a low AC, poor saves and no real special defenses. Its only real advantages are its wing slash and its ability to fly.

Where are Deadly Poison and Virulent Poison from, btw? Haven't seen them before...

They're from savage species,

Also, since the Slashrath does have abilities that improve its combat effectiveness quite a lot, I would increase its CR by an additional +2, putting it at CR 14.