<s>
Ragnarok	B-Application
Online	I-Application
:	I-Application
Valkyrie	I-Application
Uprising	I-Application
was	O
a	O
free	O
MMORPG	B-Protocol
developed	O
by	O
Gravity	O
and	O
published	O
by	O
NEOCYON	O
for	O
iOS	B-Application
and	O
Android	B-Application
in	O
2013	O
.	O
</s>
<s>
After	O
a	O
100-year	O
war	O
with	O
the	O
Demons	O
,	O
the	O
humans	O
of	O
Midgard	B-Language
forged	O
a	O
fragile	O
truce	O
with	O
the	O
scourge	O
of	O
the	O
Underworld	O
.	O
</s>
<s>
Monica	O
,	O
from	O
the	O
Celestial	O
Land	O
of	O
Valhalla	B-Application
,	O
defeated	O
Randgris	O
and	O
was	O
able	O
to	O
seal	O
her	O
away	O
,	O
never	O
to	O
be	O
seen	O
again	O
.	O
</s>
<s>
There	O
are	O
five	O
classes	O
available	O
,	O
sourced	O
from	O
the	O
original	O
game	O
Ragnarok	B-Protocol
Online	I-Protocol
:	O
</s>
<s>
Poring	B-Protocol
.	O
</s>
<s>
Valhalla	B-Application
.	O
</s>
<s>
Poring	B-Protocol
and	O
Ran	O
became	O
Griffon	O
.	O
</s>
<s>
Asgard	O
and	O
Valhalla	B-Application
became	O
Harpy	O
.	O
</s>
