Why does Phillip Lombard go to soldier island?

Phillip Lombard goes to Soldier Island after being invited by an unknown party under the pretense of a job opportunity. He is intrigued by the promise of an adventure and a chance to earn money, as he is a mercenary with a somewhat dubious background. Lombard's motivations are also influenced by his adventurous nature and a desire to escape his past. Ultimately, he is drawn by the allure of the mysterious setting and the potential for excitement.