Just one part from the chorus, only bit ive been able to work out so far..
[ Tab from: https://www.guitartabs.cc/tabs/k/kings_of_leon/immortals_btab_ver_2.html ]
g -------------------------------------------------------|
d -------------------------------------------------------|
a -------------------------------------------------------|
e 00000000000000004444444455555555-----------------------| x 1
g 16-18--16----13-11--9-11-------------------------------|
d -------------------------------------------------------|
a -------------------------------------------------------|
e -------------------------4444444455555555--------------| x 3
maybe not 100% correct, but listen to get the timing
tabbed by Luke:)
