Hercules is the final boss from Isle of Demigods campaign. He can be recruited after you get 8 tokens.
His gambit is thought to be the best one as it hits a column of enemies and after each gambit attack he raises his morale to 100.
Hercules units
It is highly recommended to use him as he is able to unleash a nonstop spearhead mixing his gambit damage with his normal damage. Add a flag bearer or two and the attack will be more lethal. His unit type - Lancers - offers him high critical strike rate and make him hard to dodge.
His starting stats are : 80, 101, 67.