(Psi)SeveredHead said:
Post his character sheet here.
A lot of DMs resist this, but without seeing the sheet, we can't help you.
OK, here is a resume
Stat Block
Human, Pal4/Sor6/ElK5/Sps5;
"CR 20; Medium Humanoid; 5'/5';
HD 6d4+5d6+5d8+4d10+80; hp 183;
Init +7; Spd 40 ft/x4;
AC 30;
Atk +29/+24/+19/+14 Holy, Fortunate, Blessed (1d12+14+2d6,19-20/x3, Greataxe +5), +26/+21/+16 Surestriking (1d10+13/19-20/x2, Bastard Sword(martial) +4);
SV Fort +28, Ref +18, Will +21; AL LG;
Str 16(+6), Dex 14(+3), Con 18(+4), Int 12(+1), Wis 10(+0), Cha 24(+9);
Skills & Feats: Concentration¹ +27, Diplomacy¹ +20, Handle Animal +11, Heal¹ +1, Knowledge (arcana) +8, Knowledge (nobilty) +7, Knowledge (religion) +7, Ride¹ +5, Sense Motive¹ +11, Spellcraft +26.
Arcane Strike, Improved Critical(Greataxe), Improved Initiative, Power Attack, Quick Draw, Weapon Focus(Greataxe), Empower Spell, Close-Quarters Fighting, Divine Might, Divine Vigor"
He has casted to enter combat: Haste, Polimorph into stone giant, Greater heroism, and in the round he stroke he activated arcane strike and divine might. So if we were not mistaken he was at +10 to hit (+6 arcane strike, +4 greater heroism) +6d4 damage to every hit (arcane strike) , +9 to damage to every hit (divine might) and strenght 33 (27 base stone giant+6 belt giant strenght) His attacks were: 43/43/38/42(he made smite here)/28 and his damage were 4d6+30+6d4+2d6