After completing the Fairie Tornado, I wanted to see if I could do the same thing with a dwarf or a human. I found that I could. To recap: I wanted both dev crit and improved whirlwind using 2 weapon fighting style with kukris. I wanted uncanny dodge and 40 tumble and, if I could swing it, at least a 30 (after chr modifier)UMD. I wanted to maintain at least a 10 con. I wanted all of this with no xp penalties at any time. I am a demanding so and so So here is the Human version.

race human
Initial stats
STR 17
DEX 16
CON 10
INT 13
WIS 8
CHR 8

D=discipline, C=concentration, T=tumble, U=UMD
1) Fighter Ambidexterity, 2 weapon fight, Exotic Weapons D 4, C 4
2) Fighter Power Attack, D 5, C 5
3) Fighter Cleave, D 6, C 6
4) Fighter Expertise D 7, C 7 STR +1
5) Fighter D 8, C 8
6) Fighter Weapon focus Kukri, weapon specialization kukri D 9, C 9
7) fighter D 10, C 10
8 ) fighter dodge D 11, C 11 STR +1
9) fighter Improved 2 weapon fighting, D 12, C 12
10) fighter mobility D 13, C 13
11) fighter D 14, C 14
12) fighter Spring Attack Whirlwind Attack D 15 C 15 STR +1
13) Weapon Master D 16
14) WM D 17
15) WM Improved Critical Kukri D 18
16) WM D 19 STR +1
17) WM D 20
18 ) WM D 21Great Cleave
19) WM D 22
20) Fighter D 23, C 23 STR +1
21) WM Great STR I D 24
22) Rogue T 25, U 25
23) Fighter Overwhelming Crit D 26, C 26
24) Fighter Great Str II D 27 C 27 STR +1
25) Fighter Devastating Crit D 28 C 28
26) WM D 29
27) WM Great Dex I D 30
28 ) WM Dex +1 C 19 D 31
29) Rogue T 32, U 32
30) WM Great DEX II D 33
31) WM Epic Weapon Focus Kukri D 34
32) WM D 35 DEX +1
33) WM Great DEX III D 36
34) WM Armor Skin D 37
35) WM D 38
36) WM Great DEX IV D 39 DEX +1
37) WM Improved Whirlwind Attack D 40
38 ) Rogue T 40 U 41
39) Fighter Great Str III D 42 C 42
40) Fighter Epic Weapon Specialization Kukri D 42 C 42 DEX +1

Final stats for 18 fighter/19 WM/3 Rogue
STR 26
DEX 24
CON 10
INT 13
WIS 8
CHR 8

Skills
D 43
C 43
T 40
U 41
skill points left over-about 17
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Click Here I think you did get some XP penalties in this build.
Should have been a dwarf and maintained the WM and Rouge to no more then 1 lvl diference Humans and half-elves do not get an xp penalty if one of thier classes is a prestige class. Weapon master is a prestige class.

There was at one time a "human/half-elf XP bug" that would give XP penalties, but that was fixed several patches ago.
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