This part isn't that hard. All it is is just a few fast hit-ons, pull-offs, and bends.
Tuning-Dropped-D or DADGBE
E-----------------------------------------|
B-----------------------------------------|
G-----------------------------------------|
D-----------------------------------------|
A-----------------------------------------|
D-0h14h15-0h14p12-0h10h12-0h14p12-0h10h12-|
E------------------------------------------|
B------------------------------------------|
G------------------------------------------|
D------------------------------------------|
A------------------------------------------|
D-0h14h15-0h14p12-0h10h12-0-15-17-17b-15---|
r-------------------------------|*
Right here | another guitar comes in playing the same riff on the higher D string and
to play what the other guitar does but on the higher string.
[ Tab from: https://www.guitartabs.cc/tabs/s/shinedown/heroes_tab.html ]
E-----------------------------------------|
B-----------------------------------------|
G-----------------------------------------|
D-----------------------------------------|
A-----------------------------------------|
D-0h10h12-0h10h12-0h10h12-0h10h12-0h10h12-|
____________________ ___________
|1st and 3rd endings |2nd ending
E------------------------------------|---------------------------------------|
B------------------------------------|---------------------------------------|
G-----------------------------------.|---------------------------------------|
D-----------------------------------.|---------------------------------------|
A------------------------------------|---------------------------------------|
D-0h10h12-0h10h12-0h10h12-0-3-5-5b-3-|0h10h12-0h10h12-0h10h12-0-15-17-17b-15-|
Remember this whole last section is also played on the other D string by another guitar. Enjoy
