Through the Glimmerveil
The party must eat to take a long rest during wilderness exploration. If the party has insufficient rations to do so, a member of the group can forage by making a Survival check. The base DC is 12, but the difficulty of this check is modified by Difficult Terrain or Extreme Weather.
Success means that enough food is found for the entire party to have a light meal. Failure means that the party must make a DC 12 Constitution save against Exhaustion. The long rest then takes place whether this save is successful or not.