Among the skills in the swordsmen tree Shield Lob(Peltasta) and Spear Throw(Hoplite) and perhaps Sub Weapon Throw (im assuming for Shinobi).
These skills will throw your weapon and if you fail to retrieve them they will disappear FOREVER…well last i heard.
Perhaps these equipment can be retrieved via an NPC where a player can retrieve the said item at certain cost.
Because seriously the risk are big if you lose equipment. Imagine if a simple lag/delay/long debuff/lost connection and the precious items is LOST! then these skills are not worth taking at all.
But really IMC cant the item just be retained in the inventory but have a count down timer + low durability before they can be equip again by the player as a penalty.