Oriental Dragons in the 3E Oriental Adventures start out as Carp Dragons with the following stats:
[TABLE="width: 400"]
[TR]
[TD]Age
[/TD]
[TD="align: center"]Size
[/TD]
[TD="align: center"]Hit Dice (hp)
[/TD]
[TD="align: center"]Str
[/TD]
[TD="align: center"]Dex
[/TD]
[TD="align: center"]Con
[/TD]
[TD="align: center"]Int
[/TD]
[TD="align: center"]Wis
[/TD]
[TD="align: center"]Cha
[/TD]
[/TR]
[TR]
[TD]Wyrmling
[/TD]
[TD="align: center"]T
[/TD]
[TD="align: center"]6d12+6 (45)
[/TD]
[TD="align: center"]11
[/TD]
[TD="align: center"]16
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]6
[/TD]
[TD="align: center"]9
[/TD]
[TD="align: center"]8
[/TD]
[/TR]
[TR]
[TD]Very young
[/TD]
[TD="align: center"]S
[/TD]
[TD="align: center"]9d12+9 (67)
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]6
[/TD]
[TD="align: center"]9
[/TD]
[TD="align: center"]8
[/TD]
[/TR]
[TR]
[TD]Young
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]12d12+24 (102)
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]6
[/TD]
[TD="align: center"]9
[/TD]
[TD="align: center"]8
[/TD]
[/TR]
[/TABLE]
Then they become juveniles with stats that depend on the type of Oriental Dragon. I'll include a juvenile Copper Dragon for comparison:
[TABLE="width: 400"]
[TR]
[TD]Type
[/TD]
[TD="align: center"]Size
[/TD]
[TD="align: center"]Hit Dice (hp)
[/TD]
[TD="align: center"]Str
[/TD]
[TD="align: center"]Dex
[/TD]
[TD="align: center"]Con
[/TD]
[TD="align: center"]Int
[/TD]
[TD="align: center"]Wis
[/TD]
[TD="align: center"]Cha
[/TD]
[/TR]
[TR]
[TD]Chiang lung
[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]16d12+64 (168)
[/TD]
[TD="align: center"]21
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]18
[/TD]
[TD="align: center"]21
[/TD]
[TD="align: center"]20
[/TD]
[/TR]
[TR]
[TD]Li lung
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]14d12+42 (133)
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]12
[/TD]
[/TR]
[TR]
[TD]Lung wang
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]17d12+68 (178)
[/TD]
[TD="align: center"]27
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[/TR]
[TR]
[TD]Pan lung
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]13d12+26 (110)
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[/TR]
[TR]
[TD]Shen lung
[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]15d12+45 (142)
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]16
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]16
[/TD]
[/TR]
[TR]
[TD]T'ien lung
[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]17d12+68 (178)
[/TD]
[TD="align: center"]29
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]18
[/TD]
[TD="align: center"]21
[/TD]
[TD="align: center"]20
[/TD]
[/TR]
[TR]
[TD]Tun mi lung
[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]16d12+64 (168)
[/TD]
[TD="align: center"]25
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]17
[/TD]
[/TR]
[TR]
[TD]Copper
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]14d12+28 (119)
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[/TR]
[/TABLE]
Looking at the above, a juvenile Copper Dragon is closest to a juvenile Pan Lung (aka River Dragon), so maybe we should use some of the Pan Lung's stats instead?
So how about this for the Hu Lung?:
[TABLE="width: 400"]
[TR]
[TD]Age
[/TD]
[TD="align: center"]Size
[/TD]
[TD="align: center"]Hit Dice (hp)
[/TD]
[TD="align: center"]Str
[/TD]
[TD="align: center"]Dex
[/TD]
[TD="align: center"]Con
[/TD]
[TD="align: center"]Int
[/TD]
[TD="align: center"]Wis
[/TD]
[TD="align: center"]Cha
[/TD]
[/TR]
[TR]
[TD]Wyrmling[/TD]
[TD="align: center"]T
[/TD]
[TD="align: center"]5d12+5 (37)
[/TD]
[TD="align: center"]11
[/TD]
[TD="align: center"]16
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]12
[/TD]
[/TR]
[TR]
[TD]Very young
[/TD]
[TD="align: center"]S
[/TD]
[TD="align: center"]8d12+8 (60)
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]13
[/TD]
[TD="align: center"]12
[/TD]
[/TR]
[TR]
[TD]Young
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]11d12+22 (93)
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[/TR]
[TR]
[TD]Juvenile
[/TD]
[TD="align: center"]M
[/TD]
[TD="align: center"]14d12+28 (119)
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]12
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[TD="align: center"]15
[/TD]
[TD="align: center"]14
[/TD]
[/TR]
[TR]
[TD]Young Adult[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]17d12+51 (161)
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]16
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]16
[/TD]
[/TR]
[TR]
[TD]Adult
[/TD]
[TD="align: center"]L
[/TD]
[TD="align: center"]20d12+80 (210)
[/TD]
[TD="align: center"]23
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]16
[/TD]
[TD="align: center"]17
[/TD]
[TD="align: center"]16
[/TD]
[/TR]
[TR]
[TD]Mature Adult
[/TD]
[TD="align: center"]H
[/TD]
[TD="align: center"]23d12+115 (264)
[/TD]
[TD="align: center"]27
[/TD]
[TD="align: center"]10
[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]18[/TD]
[TD="align: center"]19
[/TD]
[TD="align: center"]18
[/TD]
[/TR]
[TR]
[TD]Old
[/TD]
[TD="align: center"]H
[/TD]
[TD="align: center"]26d12+130 (299)
[/TD]
[TD="align: center"]29
[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]18[/TD]
[TD="align: center"]19[/TD]
[TD="align: center"]18[/TD]
[/TR]
[TR]
[TD]Very Old
[/TD]
[TD="align: center"]H
[/TD]
[TD="align: center"]29d12+174 (362)
[/TD]
[TD="align: center"]31
[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]23[/TD]
[TD="align: center"]20[/TD]
[TD="align: center"]21
[/TD]
[TD="align: center"]20[/TD]
[/TR]
[TR]
[TD]Ancient
[/TD]
[TD="align: center"]H
[/TD]
[TD="align: center"]32d12+192 (400)
[/TD]
[TD="align: center"]33
[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]23[/TD]
[TD="align: center"]20[/TD]
[TD="align: center"]21
[/TD]
[TD="align: center"]20[/TD]
[/TR]
[TR]
[TD]Wyrm
[/TD]
[TD="align: center"]G
[/TD]
[TD="align: center"]35d12+245 (472)
[/TD]
[TD="align: center"]35
[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]25[/TD]
[TD="align: center"]22[/TD]
[TD="align: center"]23
[/TD]
[TD="align: center"]22[/TD]
[/TR]
[TR]
[TD]Great Wyrm
[/TD]
[TD="align: center"]G
[/TD]
[TD="align: center"]38d12+304 (551)
[/TD]
[TD="align: center"]37
[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]27[/TD]
[TD="align: center"]22[/TD]
[TD="align: center"]23[/TD]
[TD="align: center"]22[/TD]
[/TR]
[/TABLE]
I can get on board with that advancment. I guess there is no reason to do the carp dragon thing if were just gonna have the lesser fox dragon morph into a wyrmling once it performs a great deed or masters a mystic art. There should be something to reflect its mastered art in its stats.