Medium mystery box is an item released with the Invasion of Falador. It is one of the possible rewards for helping with The Lost Sword activity in Falador Park. It is rewarded by Darla.
Opening the mystery box will reward the player with items from Treasure Hunter and/or commendations for the Invasion of Falador event.
If the box is destroyed, players can reclaim it at any time before the end of the Invasion of Falador event by speaking to Darla.
Rewards
| Item | Quantity | Rarity | GE price | |
|---|---|---|---|---|
 | Commendation | 250 | Always[1] | Not sold |
 | Prismatic large fallen star | 1 | Common | Not sold |
 | Large prismatic lamp | 1 | Common | Not sold |
 | Medium prismatic lamp | 1–2 | Uncommon | Not sold |
 | Prismatic medium fallen star | 1 | Uncommon | Not sold |
 | Portable skilling pack | 1 | Uncommon | Not sold |
 | Silverhawk feathers | 25 | Uncommon | 501,350 |
