/give @p diamond_sword 1 0 {
display: {
Name: "heros sword"
},
AttributeModifiers: [
{
AttributeName: "generic.attackDamage",
Name: "generic.attackDamage",
Amount: 10,
Operation: 0,
UUIDMost: 32451,
UUIDLeast: 536858
}
],
ench: [
{
id: 19,
lvl: 10
},
{
id: 20,
lvl: 19
},
{
id: 21,
lvl: 19
}
],
Unbreakable: 1
}