Athena's Fortune Throwing Knife/Legendary Throwing Knife (sea of thieves)

For anyone who wants to get it in game you must first reach level 50 in the athenas fortune emmisary (not hourglass)

AND 

you must also complete the knife wielding natural commendation. To complete this commendation you must:

• Defeat 150 skeletons using throwing knives (Backbone Stabber commendation)
• Defeat 150 phantoms using throwing knives (Phantom Fillet commendation)
• Defeat 35 gunpowder skeletons by hitting their kegs with throwing knives (Keg Knife Kaboom commendation)