Understanding

GTR. 1
E|-3-----2-----3-----5-----3-----2-----3-----5-----3-----2---------3-----3-------|
B|---3-----3-----3-----3-----3-----3-----3-----3-----3-----3---3-----3-----3-----|
G|-----0-----0-----0-----0-----0-----0-----0-----0-----0-----0---0-----0-----0---|
D|-------------------------------------------------------------------------------|
A|-------------------------------------------------------------------------------|
E|-------------------------------------------------------------------------------|

E|-3-----3-----3-------2-----2-----2-----2-----2-------|
B|---3-----3-----3---3---2-----2-----2-----2-----2---2-|
G|-----0-----0-----0-----------------------------------|
D|-------------------------4-----4-----4-----4-----4---|
A|-----------------------------------------------------|
E|-----------------------------------------------------|

For Verse 1, repeat main riff until the lyrics "from who we are"
then play:

Gtr. 1
E|-2-----2-----3-----2-----2-----3--5-----5-----3-----2-----2-------2h3-2h3-2h3--|
B|---3-----3-----3-----3-----3--------3-----3-----3-----3-----3---3--------------|
G|-----0-----0-----0-----0-----0--------0-----0-----0-----0-----0----------------|
D|-------------------------------------------------------------------------------|
A|-------------------------------------------------------------------------------|
E|-------------------------------------------------------------------------------|

E|-2h3-2h3-----3p2-2-----2-----2-----2-----2-------|
B|----------3-------2-----2-----2-----2-----2---2--|
G|---------0---------------------------------------|
D|---------------------4-----4-----4-----4-----4---|
A|-------------------------------------------------|
E|-------------------------------------------------|

(during this ^ Gtr 2 begins to strum chords over top of Gtr 1.)

Chorus:
E|-3-----3-----3-----3-----3-------2-----2-----2-----2-----2-------3-----3-------|
B|---3-----3-----3-----3-----3---3---2-----2-----2-----2-----2---2---3-----3-----|
G|-----0-----0-----0-----0-----0---------------------------------------0-----0---|
D|-------------------------------------4-----4-----4-----4-----4-----------------|
A|-------------------------------------------------------------------------------|
E|-------------------------------------------------------------------------------|

E|-5-----3-----3-------3-----3-----5-----3-----3-----3--| I
B|---3-----3-----3---3---3-----3-----3-----3-----3------| I  *break*
G|-----0-----0-----0-------0-----0-----0-----0-----0----| I
D|------------------------------------------------------| I
A|------------------------------------------------------| I
E|------------------------------------------------------| I

Verse 2:  Play main riff until the second prechorus

E|-2-----2-----2h3-----2-----2-----3--5-----5-----3-----2-----2-------2h3-2h3-2h3-|
B|---3-----3-------3-----3-----3--------3-----3-----3-----3-----3---3-------------|
G|-----0-----0-------0-----0-----0--------0-----0-----0-----0-----0---------------|
D|--------------------------------------------------------------------------------|
A|--------------------------------------------------------------------------------|
E|--------------------------------------------------------------------------------|

E|-2h3-2h3-----3p2-2-----2-----2-----2-----2--------| I
B|-----------3-------2-----2-----2-----2-----2---2--| I
G|---------0----------------------------------------| I
D|---------------------4-----4-----4-----4-----4----| I
A|--------------------------------------------------| I
E|--------------------------------------------------| I

p   pulloff
h   hammer
/\  slide