While Gadifer was exploring another island, Berthin departed with almost all of the ships leaving Gadifer for dead. Gadifer and his men spent about a week on the island surviving from dew gathered on their blankets. Eventually a soldier still loyal to Gadifer brought one of the remaining ships to rescue them.
Gadifer was stranded on an island after Berthin deserted with most of the ships, leaving Gadifer's men to fend for themselves. They survived by collecting dew from their blankets for a week before a loyal soldier rescued them.