Magical seeds that grow quickly to full size when a spell is cast on them.
Many magical items adventurers seek out help them carry more loot, keep themselves fed and healthy, or just simply hack the bad guys to itty bitty bits. This one lets their loot carry itself.
It is a green rose created by a god long ago to give to his mortal lover.
A magical herb that keeps things cool…for a long time.
Masters have come and gone, but Honest Wrekk has always been around.
The PCs are walking along the road, when suddenly a bunch of bandits attacks. The player's dismiss it has just a random encounter, when they find an ornate ring on the leader, obviously out of place with the seemingly poor bandits, who could only afford cheap leather and weapons. This ring has a symbol on it, which, if researched, sets the PCs on a quest. And from then on, the players don't look at random encounters the same way...