Intro

G
D                    4/7-5-
A 7------------------------5-7
E 

Main Riff (X2)

G
D                 4-4-4-4-5-5-5-5                -4-4-4-4-5-5-5-5
A 7-7-7-7-7-7-7-7               --7-7-7-7-7-7-7-7   
E

G
D               --5-5-5-4-4-4-5-5-5-               --5-4/7-5          
A 3-3-3-3-3-3-3-3                  -3-3-3-3-3-3-3-3-       --5-7
E


VERSE 1

G
D                -4-4-4-4-5-5-5-5               --4-4-4-4-5-5-5-5
A 7-7-7-7-7-7-7-7                -7-7-7-7-7-7-7-7
E

G
D               --5-5-5-4-4-4-5-5-5              --5-5-5-4-4-4-5-5-5
A 3-3-3-3-3-3-3-3                 -7-7-7-7-7-7-7-7
E

VERSE 2

G
D               --7-7-7-6-6-6-7-7-7               --7-7-7-6-6-6-7-7-7
A 5-5-5-5-5-5-5-5                 --5-5-5-5-5-5-5-5
E

G
D               --5-5-5-4-4-4-5-5-5                --5-5-5-4-4-4-5-5-5
A 3-3-3-3-3-3-3-3                --3-3-3-3-3-3-3-3-3
E

PRECHORUS 1 (X3)

G
D                 4----5--7--5--7--(5)
A 7-7-7-7-7-7-7-7                    --5-5-5-5-5-3-3-3-3-3-5-5-5-5-5
E
You must play the "(5)" only the 3° time

PRECHORUS 2

G
D                ---5/2-- 
A 7-7-7-7-7-7-7-7-     --2-2-2-2-2-2-2-2--0--2
E 

CHORUS

G
D                                          ---5 
A 7-7-7-7----7--5--7----7--5----7--5--7----7--
E 

DURING GUITAR SOLO 

G
D                         7-7-7-7-7-7-5-5-5-5-5-5-7-7-7-7-7-7-
A 7-----7-----7-7-7-7-7-7-
E

G
D 9-10-9-7-5-4           --7-7-7-7-7-7-5-5-5-5-5-5-7-7-7-7-7-7
A            --7-7-7-7-7-7
E

G 7-5-4
D     --7-5-4
A     ---------7----7----3----3----7----7----3----3
E

G
D
A 7-7-7-7-7-7-7-7-3-3-3-3-3-3-3-3-7-7-7-7-7-7-7-7-3-3-3-3-3-3-3-3
E

G
D 5---9---7               ----5---9---7---9---10--9-9-9-9-9-9-9-9 
A        ---10-9-10-9-7---5   
E

G 8-8-8-8-8-11-11-11-11-11-16-16-16-16-16
D 
A
E

     VERSE2
     PRECHORUS 1
     PRECHORUS 2
     CHORUS

I think that this tab is enough correct.
Greetings
METAL RULES!
By Enrico