Here is the full list of all 74 Tale of Fallen Dragons achievements.
Defeat SuanNi unharmed
Collect [Macho Man]
Defeat SuanNi
Die 5 times
Shop 99 gold
Shop 1 gold
Die 10 times
Defeat XiangLiu
Defeat WangTianHou
Gain a chest
Defeat TaoTie
Die 1 time
Conquer the Temple 1 time
Conquer the Temple 2 times
Conquer the Temple 5 times
Conquer the Temple 10 times
Defeat BaXia
Gain a rare rune
Gain a epic rune
Defeat FuXi
Shop 999 gold
Defeat ChaoFeng
Defeat YaZi
Defeat BiAn
Defeat ZhuLong
Defeat WangTianHou unharmed
Defeat BiAn unharmed
Defeat ChaoFeng unharmed
Defeat YaZi unharmed
Defeat FuXi unharmed
Defeat BaXia unharmed
Defeat TaoTie unharmed
Defeat ZhuLong unharmed
Defeat Trial Mode 11
Defeat Challenge Mode Round 5
Defeat Trial Mode 12
Defeat Challenge Mode Round 10
Defeat Trial Mode 13
Defeat Challenge Mode Round 20
Defeat Trial Mode 14
Defeat Challenge Mode Round 30
Defeat Challenge Mode Round 40
Defeat Challenge Mode Round 50
Defeat Trial Mode 01
Defeat Trial Mode 02
Defeat Trial Mode 03
Defeat Trial Mode 04
Defeat Trial Mode 05
Defeat Trial Mode 06
Defeat Trial Mode 07
Defeat Trial Mode 08
Defeat Trial Mode 09
Defeat Trial Mode 10
Your attack bonus is above 300
Your attack bonus is below -25
Your life bonus is above 300
Your life bonus is below -25
Your luck bonus is above 300
Your luck bonus is below -25
Collect 300 gold
Defeat TaoTie in 15 minutes
Defeat ZhuLong in 15 minutes
Defeat XiangLiu unharmed
Collect [Taoists Spell. Yang],[Taoists Spell. Yin]
Collect [Sword Dancer],[Dragon Slayer]
Collect [Stars],[Penetration]
Collect [Thunderbolt]
Collect [Dowry]
Collect [Increasingly Slower],[Lightning Speed]
Collect [Unstable],[It Depends]
Collect [Bad Bargain]
Collect [Sale],[Clearance Sale]
Collect [One More],[True· One More]
Collect [Lifesaver],[Flounder]