-Grenades They are not useless if you know how and when to use.
-Speedy Dagger can use to "Stun" NPC or Boss in the Long Quest Like Survival (Perfect For Lure Player)
Ins Sword Might not Good But Might Be Fun for Collection (Suggest Leave At least 1)
About The New Drop Idk About Other . But In My Opinion It is Too Much For 1 Quest .Old Drop Was Ok (suggest Add More Drop in Old Drop But Not Too Much)