riff1
e|-----------------------------------|-----------------------------------|
B|-----------------------------------|-----------------------------------|
G|-----------------------------------|-----------------------------------|
D|-----------------------------------|-----------------------------------|
A|---2---1---2---1---1---0---1---0---|---2---1---2---1---1---0---1---0---|
E|---4---4---4---4---3---3---3---3---|---4---4---4---4---3---3---3---3---|

riff2                                {---   this part not nessesary   ---}
e|-----------------------------------|-----------------------------------|
B|-----------------------------------|-----------------------------------|
G|-----------------------------------|-----------------------------------|
D|-----------------------------------|-----------------------------------|
A|---2---3---2---3---4---3---4---3---|---2---3---2---3---4---3---4---3---|
E|---1---1---1---1---2---2---2---2---|---1---1---1---1---2---2---2---2---|

riff3
e|-----------------------------------|-----------------------------------|
B|-----------------------------------|-----------------------------------|
G|-----------------------------------|-----------------------------------|
D|---11--9---7---9---11--9---7---9---|---11--9---7---9---11--9---7---9---|
A|---9---10--8---7---9---10--8---7---|---9---10--8---7---9---10--8---7---|
E|-----------------------------------|-----------------------------------|

riff4   (riff3 & riff4 play twise)
e|-----------------------------------|-----------------------------------|
B|-----------------------------------|-----------------------------------|
G|-----------------------------------|-----------------------------------|
D|---9---7---4---2---9---7---4---2---|---9---7---4---2---9---7---4---2---|
A|---7---5---5---3---7---5---5---3---|---7---5---5---3---7---5---5---3---|
E|-----------------------------------|-----------------------------------|

riff5   (with vocals)
e|---------------------------------------|-------------------------------------|
B|---------------------------------------|-------------------------------------|
G|---------------------------------------|-------------------------------------|
D|---9---10-12-13-10-13-9---10-12-13-8---|---9---10-12-13-10-13-9---10-8---5---|
A|---7---8--10-11-8--11-7---8--10-11-6---|---7---8--10-11-8--11-7---8--9---6---|
E|---------------------------------------|-------------------------------------|

riff6   (with words: "The Northern darkness marches through the coldest night")
e|--------------------------------------------------------|
B|--------------------------------------------------------|
G|--------------------------------------------------------|
D|-----2-------------3-----------4-------------3----------|
A|-------2-3-2-0-2-----3-4-1-3-----4-5-4-2-4-----3-4-1-3--|
E|---0-------------1-----------2-------------1------------|

riff5

riff7  (hard to learn)
e|--------------------------------------|--------------------------------------------------|
B|--------------------------------------|--------------------------------------------------|
G|--------------------------------------|--------------------------------------------------|
D|-------8---3-4-6-5-----10--6&10-10----|---9-4-5-7-109-7-6-4&-8---3-4-6-5---11'8&10'7&9---|
A|-------6---1-2-4-3-----8---4&9--9-----|---7-2-3-5-8-7-5-4-2&-6---1-2-4-3---9-'6&8-'5&7---|
E|---0---------------0------------------|--------------------------------------------------|

riff6, riff3, riff4, riff3, riff4

riff8               {- this version from the "No Mercy Fest." video -}
e|------------------|------------------------------------------------|
B|------------------|------------------------------------------------|
G|------------------|------------------------------------------------|
D|---7-9-10--'7-6---|--------10-10-7-9------9--9--7-9----------------|
A|---5-7-8---'5-7---|--------8--8--5-7------7--7--5-7----------------|
E|------------------|---0-0------------0-0---------------------------|