<s>
Hellfire	O
,	O
often	O
called	O
Diablo	B-Application
:	I-Application
Hellfire	I-Application
,	O
is	O
an	O
expansion	O
pack	O
for	O
the	O
video	O
game	O
Diablo	B-Application
,	O
developed	O
by	O
Synergistic	O
Software	O
,	O
a	O
Sierra	O
division	O
,	O
and	O
published	O
by	O
Sierra	O
On-Line	O
in	O
1997	O
.	O
</s>
<s>
Blizzard	O
North	O
,	O
who	O
was	O
developing	O
the	O
sequel	O
Diablo	B-Application
II	I-Application
,	O
thus	O
imposed	O
numerous	O
restrictions	O
upon	O
Synergistic	O
Software	O
's	O
development	O
of	O
Hellfire	O
.	O
</s>
<s>
Hellfire	O
was	O
re-released	O
alongside	O
Diablo	B-Application
in	O
1998	O
in	O
a	O
bundle	O
called	O
Diablo	B-Application
+	I-Application
Hellfire	I-Application
.	O
</s>
<s>
Hellfire	O
was	O
released	O
digitally	O
by	O
Blizzard	O
Entertainment	O
on	O
June	O
5	O
,	O
2019	O
as	O
a	O
free	O
add-on	O
with	O
every	O
purchase	O
of	O
the	O
original	O
Diablo	B-Application
on	O
GOG.com	O
.	O
</s>
<s>
Hellfire	O
is	O
a	O
single-player	O
expansion	O
to	O
Diablo	B-Application
.	O
</s>
<s>
While	O
there	O
are	O
some	O
multi-player	O
modes	O
that	O
can	O
be	O
unlocked	O
,	O
Hellfire	O
is	O
not	O
playable	O
on	O
Blizzard	O
's	O
online	O
gaming	O
service	O
Battle.net,	O
and	O
its	O
changes	O
do	O
not	O
transfer	O
to	O
online	O
characters	O
.	O
</s>
<s>
However	O
,	O
the	O
expansion	O
does	O
offer	O
many	O
new	O
features	O
as	O
a	O
single-player	O
game	O
,	O
and	O
also	O
does	O
not	O
interfere	O
with	O
a	O
user	O
's	O
ability	O
to	O
still	O
play	O
Diablo	B-Application
with	O
Blizzard	O
's	O
service	O
.	O
</s>
<s>
Hellfire	O
integrates	O
into	O
Diablo	B-Application
,	O
and	O
because	O
of	O
its	O
design	O
as	O
an	O
"	O
optional	O
,	O
off-the-beaten-path	O
foray	O
"	O
,	O
its	O
dungeons	O
can	O
be	O
avoided	O
entirely	O
.	O
</s>
<s>
In	O
order	O
to	O
gain	O
access	O
to	O
the	O
dungeons	O
,	O
the	O
player	O
must	O
speak	O
with	O
Lester	O
the	O
Farmer	O
,	O
who	O
is	O
north	O
of	O
Tristram	O
,	O
near	O
the	O
herd	O
of	O
cows	O
;	O
however	O
,	O
if	O
the	O
player	O
speaks	O
to	O
Lester	O
before	O
reaching	O
a	O
certain	O
point	O
of	O
the	O
main	O
Diablo	B-Application
quest	O
,	O
he	O
will	O
be	O
hesitant	O
to	O
ask	O
them	O
to	O
enter	O
the	O
new	O
dungeons	O
.	O
</s>
<s>
The	O
expansion	O
pack	O
adds	O
several	O
enhancements	O
to	O
Diablo	B-Application
,	O
including	O
two	O
new	O
dungeon	O
settings	O
(	O
the	O
Nest	O
and	O
the	O
Crypt	O
)	O
,	O
additional	O
quests	O
to	O
undertake	O
,	O
several	O
extra	O
game	O
items	O
(	O
including	O
oils	O
which	O
affect	O
item	O
statistics	O
)	O
,	O
runes	O
that	O
can	O
be	O
placed	O
as	O
traps	O
,	O
a	O
new	O
page	O
of	O
spells	O
,	O
new	O
affixes	O
for	O
weapons	O
and	O
armor	O
,	O
new	O
shrines	O
,	O
new	O
mini-boss	O
enemy	O
names	O
,	O
a	O
noticeable	O
boost	O
to	O
Diablo	B-Application
's	O
strength	O
and	O
power	O
,	O
and	O
a	O
number	O
of	O
interface	O
improvements	O
.	O
</s>
<s>
Hellfire	O
's	O
dungeons	O
are	O
populated	O
with	O
new	O
enemies	O
that	O
do	O
not	O
appear	O
in	O
the	O
main	O
Diablo	B-Application
quest	O
,	O
while	O
the	O
difficulty	O
of	O
Hellfire	O
dungeon	O
floors	O
1	O
–	O
8	O
mirror	O
those	O
of	O
levels	O
9	O
–	O
16	O
of	O
the	O
main	O
Diablo	B-Application
quest	O
,	O
requiring	O
experienced	O
characters	O
to	O
explore	O
.	O
</s>
<s>
These	O
were	O
approved	O
by	O
Blizzard	O
North	O
and	O
some	O
would	O
be	O
adopted	O
for	O
Diablo	B-Application
II	I-Application
.	O
</s>
<s>
ReceptionHellfire	O
was	O
a	O
finalist	O
for	O
Computer	O
Gaming	O
Worlds	O
1998	O
"	O
Best	O
Add-On	O
"	O
award	O
,	O
which	O
ultimately	O
went	O
to	O
StarCraft	B-Application
:	I-Application
Brood	I-Application
War	I-Application
.	O
</s>
