@Override public void writeToNBT(NBTTagCompound NBT) { super.writeToNBT(NBT); NBT.setInteger("numsafe", numSafePlayers); NBT.setBoolean("aim", isCustomAim); for (int i = 0; i < safePlayers.size(); i++) { NBT.setString("Safe_Player_" + String.valueOf(i), safePlayers.get(i)); } }