When Gilthunder was younger , he looked up to the Seven Deadly Sins .
When Gilthunder was younger , he wanted to be just like them , but after thinking that the Sins murdered his father , Gilthunder wanted to have revenge and to surpass his father .
When Gilthunder was younger , he looked up to the Seven Deadly Sins and wanted to be just like them , but after thinking that the Sins murdered his father , Gilthunder wanted to have revenge and to surpass his father .