Общие:
LA2 - LineAge2
M.Atk - Magic Attack
P.Atk - Physical Attack
M.Def - Magic Defence
P.Def - Physical Defence

Классы:
DA - Dark Avenger
TH - Treasure Hunter
HE - Hawkeye
TK - Temple Knight
SS - Swordsinger / Soul Shot
PW - Plain Walker
SR - Silver Ranger
SK - Shillien Knight
BD - Blade Dancer
AW - Abyss Walker
PR - Phantom Ranger
SO - Shillien Oracle
SE - Shillien Elder / South-East

Другие:

UD - Ultimate Defence
UE - Ultimate Evasion
atm - at this moment
omw - on my way
omg - oh my God
plz - please
tnl - till next level
lvl - level
zerg - berserk (buff)
gimme - give me
lemme - let me
duno - don't know
tho - thought
wtf - what the fuck
wth - what the hell
stfu - shut the fuck up
np - no problem
wts - want to sell
wtb - want to buy
ww plz - кастаните на меня windwalk
++++++hp - полечите меня
SpS - Spirit Shot
73 - Best Regards
88 - Love and Kisses

География

AC - Abandodned Camp
AN - The Ant Nest
CT - Cruma Tower
DP - Death Pass
DV - Dragon Valley
EG - Execution Ground
RoD - Ruins of Despair
RoS - Ruins of Sorrow
IT - Ivory Tower

про оружие:
SoS - Sword of Solidarity
SoR - Sword of Reflection/Sword of Revolution
SoW - Sword Of Watershadow
BoF - Forest Bow
SLB - Strengthened Long Bow
DE Bow - Dark Elven Bow
SSH - Silversmith Hammer
ToE - Tears of Eva
WoA - Wand of Adept

и ещё:
afk - away from keyboard
PC - price check
SODA - Scool of Dark Arts
WL - Wasteland...