Zevil Island (ゼビル島, Zebiru-shima) is the location where the 4th Phase of the 287th Hunter Examination takes place.[1]
Plot
Hunter Exam arc
The 24 candidates who passed the 3rd Phase of the Hunter Exam were required to participate in a manhunt within themselves to obtain each other's number badges on the island for one week.[1] After the one week period, only 9 contestants qualified for the final phase Hunter Exam.[2]
References