@Override
public Multimap getAttributeModifiers(ItemStack stack) {
int damage = 10;
//условия для урона, меняем как угодно
Multimap<String, AttributeModifier> attribs = HashMultimap.create();
attribs.put(SharedMonsterAttributes.attackDamage.getAttributeUnlocalizedName(), new AttributeModifier(field_111210_e, "Tool modifier", damage, 0));
return attribs;
}