Achievement: Get Those Mystery Boxes

To complete the Get Those Mystery Boxes achievement, You must pickup 5 Mystery Boxs from NPCs. You can get Mystery Box drops from the Slayer Task.
==Requirements==
*There are no requirements needed to complete this achievement.
==Tips==
*Use Dharoks against Slayer NPC monsters.
==Drop Rate==
Item	Item 	Rarity
 	Mystery Box	Rare
Dropping Monsters (Slayer Task)
*Skeleton
*Experiment
*Rock Crab
*Chaos Druid
*Giant Bat
*Ork
*Fire Giant
*Chaos Dwarf
*Magic Axe
*Poison Spider
*Lesser Demon
*Greater Demon
*Blue Dragon
*Bloodveld
*Jelly
*Aberrant Spectre
*Black Demon
*Hellhound
*Black Dragon
*Bronze Dragon
*Iron Dragon
*Steel Dragon
*Gargoyle
*Abyssal Demon
*Dark Beast
*General Graardor
*Corporeal Beast
*Tormented Demon
*Mithril Dragon
*King Black Dragon
==Reward==
*500,000 Slayer Experience