I would go with the BB_swap_item OPCode, just like when you exchange enemy parts.
The quest could give something in return like a "Proof of gift" item with no currency value.
Personally, I would add it as an extra feature on a new quest, with an option to type something like "Go to grave"...
Would new Seasons specific quests work?
I'm learning to do quests, and some basic one's based on time where the best you do, the better base items you get
Didn't someone won a lawsuit that allowed him to use a priavate server because the service was no longer available from the provider? This was some time ago, I forgot the details