General
HP: health point,
MP: mana point,
SP: stamina point,
EXP/Exp: experience
GB: God's blessing
Soc: socket
EP: eudemon point
Lvl: level
Atk: attack
Def: defence
M-atk: magic attack
M-def: magic defence
WH: warehouse

Eudemon
Eud: eudemon
Ini: initial
GR: growth rate
Sum: summon
Dism: dismiss/dismount
Con: converge
Div: diverge
C(in eudemon bag): change a eudemon's name

Market
Ind.: indivial
Leg.: legion
Pur.: purchase

Chat
Tk: talk
Ws: whisper
Fr: friend
Tm: team
Lg: legion
Fa: family
LW: legion war