private ItemStack loadItemStack(String key, ConfigurationSection section) {
        String materialName = section.getString(key + ".material");
        Material material = Material.getMaterial(materialName);
        if(material == null) {
            plugin.getLogger().log(Level.WARNING, "Unknown material name " + materialName);
            return null;
        }

        byte data = (byte) section.getInt(key + ".data", 0);
        int amount = section.getInt(key + ".amount", 1);

        String name = section.getString(key + ".name");

        List<String> lore = null;
        if(section.contains(key + ".lore")) {
            lore = section.getStringList(key + ".lore");
        }

        Map<Enchantment, Integer> enchantMap = null;
        if(section.contains(key + ".enchantments")) {
            enchantMap = Maps.newHashMap();

            ConfigurationSection enchantSection = section.getConfigurationSection(key + ".enchantments");
            for(String enchantKey : enchantSection.getKeys(false)) {
                Enchantment enchantment = Enchantment.getByName(enchantKey);
                if(enchantment == null) {
                    plugin.getLogger().log(Level.WARNING, "Unknown enchantment name " + enchantKey);
                    continue;
                }

                enchantMap.put(enchantment, enchantSection.getInt(enchantKey));
            }
        }

        Map<String, Object> nbtMap = null;
        if(section.contains(key + ".nbt")) {
            nbtMap = Maps.newHashMap();

            ConfigurationSection nbtSection = section.getConfigurationSection(key + ".nbt");
            for(String nbtKey : nbtSection.getKeys(false)) {
                nbtMap.put(nbtKey, nbtSection.get(nbtKey));
            }
        }

        ItemStackBuilder builder = ItemStackBuilder.of(material)
                .data(data)
                .amount(amount)
                .showAttributes();
        if(name != null) {
            builder.name(name);
        }
        if(lore != null) {
            builder.lore(lore);
        }
        if(enchantMap != null) {
            for(Map.Entry<Enchantment, Integer> entry : enchantMap.entrySet()) {
                builder.enchant(entry.getKey(), entry.getValue());
            }
        }
        if(nbtMap != null) {
            for(Map.Entry<String, Object> entry : nbtMap.entrySet()) {
                String nbtKey = entry.getKey();
                Object value = entry.getValue();

                if (value instanceof String) {
                    builder.tag(nbtKey, (String) value);
                } else if(value instanceof Byte) {
                    builder.tag(nbtKey, (Byte) value);
                } else if(value instanceof Short) {
                    builder.tag(nbtKey, (Short) value);
                } else if(value instanceof Integer) {
                    builder.tag(nbtKey, (Integer) value);
                } else if(value instanceof Long) {
                    builder.tag(nbtKey, (Long) value);
                } else if(value instanceof Double) {
                    builder.tag(nbtKey, (Double) value);
                } else if(value instanceof Float) {
                    builder.tag(nbtKey, (Float) value);
                } else if(value instanceof Boolean) {
                    builder.tag(nbtKey, (Boolean) value);
                }
            }
        }

        return builder.build();
    }