<s>
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
was	O
a	O
free-to-play	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
by	O
Perfect	O
World	O
Entertainment	O
.	O
</s>
<s>
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
takes	O
place	O
in	O
Western	O
Europe	O
,	O
where	O
the	O
player	O
takes	O
the	O
role	O
of	O
a	O
hero	O
to	O
help	O
revive	O
Odin	O
.	O
</s>
<s>
Besides	O
,	O
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
is	O
published	O
by	O
Joygame	O
in	O
Turkey	O
since	O
July	O
,	O
2012	O
.	O
</s>
<s>
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
features	O
an	O
expansive	O
pet	O
system	O
,	O
a	O
mount	O
upgrade	O
system	O
,	O
and	O
six	O
playable	O
classes	O
.	O
</s>
<s>
Several	O
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
encounters	O
and	O
zones	O
are	O
based	O
on	O
player	O
vs	O
player	O
combat	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
Soul	O
Gear	O
system	O
,	O
Battle	B-Protocol
of	I-Protocol
the	I-Protocol
Immortals	I-Protocol
has	O
extensive	O
weapon	O
and	O
armor	O
upgrade	O
systems	O
which	O
includes	O
Fortification	O
,	O
Gem	O
Embedding	O
,	O
Stardust	O
and	O
Starwords	O
Combination	O
,	O
Gear	O
Blessing	O
,	O
and	O
Soul	O
Insignia	O
Charm	O
.	O
</s>
