Natural weapon damage is weapon damage, right?

Does the Lucky feat allows the character to see the number on the enemy’s die attack roll?

Would a monk’s unarmed strikes count for Hunter’s mark then?

In a vacuum, fighter needs magic items to stay on par with magic users

Are natural weapons considered simple weapons, or are they completely separate from every weapon category?

Disintegrate will kill a Half-Orc if it reduces to 0, but what about massive damage?

Mantle of Majesty: you are casting a bonus action spell and so may not use your action to cast spells other than cantrips?