With them togeather I belive the kingdom of Shu could have gone much farther than it did. Pang Tong could have been deployed in a area where the kingdom lost a great general (such as when Guan Yu was captured) and turned that would be defeat into a victory, or at least an excape.
"Tell me not in mournful numbers,
Life is but an empty dream!
For the soul is dead that slumbers,
And things are not what they seem." -- Longfellow