private int  SPELL_ID = 0;
        private List<Integer> knownSpells = new ArrayList<>();

        public void learnedSpell(int spellLearned)
        {
            this.SPELL_ID = spellLearned;
            this.knownSpells.add(SPELL_ID);
            serializeNBT();
        }

        private int[] convert2Primative(List<Integer> integers)
        {
            int[] ret = new int[integers.size()];
            Iterator<Integer> iterator = integers.iterator();
            for (int i = 0; i < ret.length; i++)
            {
                ret[i] = iterator.next().intValue();
            }
            return ret;
        }

        private NBTTagCompound writeNBT(List<Integer> knownSpells )
        {
            NBTTagCompound nbt = new NBTTagCompound();
            nbt.setIntArray("LearnedSpells", convert2Primative(knownSpells));
            return nbt;
        }

        @Override
        public NBTTagCompound serializeNBT()
        {
            return writeNBT(this.knownSpells);
        }

        @Override
        public void deserializeNBT(NBTTagCompound nbt)
        {
            //NEXT STEP AFTER TOP IS FINSIHED
        }