SpawnInstanceFirstStageDetection:
    Type: World
    Events:
        on player enters cu@firststagespawninstancecuboid:
            - IF <player.flag[firststagespawninstance]> == false || <player.flag[firststagespawninstance]> == null && <player.flag[spawninstancebeingattempted] == true { 
              - announce "Player has entered cuboid."
              - FLAG "firststagespawninstance:true"
              }