Medium Achievements
| Achievement | Task Description | Reward |
| Alchemist | High alch 250 times | 1k Nature rune |
| Apothecary II | Clean a grimy torstol | 3x Herblore casket |
| Archery OO | Achieve a ranged level of 99 |
Double Damage pot (2) |
| Auctioneer | Sell an item on the Auction house | XP Lamp |
| Barbaric Drill | Complete 50 barbarian course laps | Agility tome |
| Beaver | Chop down 750 trees | 3x Woodcutting casket |
| Block This II | Achieve a defence level of 99 | PVP Mystery crate |
| Cluehunter III | Complete a hard clue | 3x Casket (hard) |
| Crush The Fayrg | Use your Bonecrusher to automatically crush a Fayrg bone | Prayer casket |
| Do As I Say | Complete 10 slayer tasks | 100k Blood money |
| Do You Lift Bro? II | Achieve a strength level of 99 | Double Damage pot (2) |
| En Garde | Win 10 duels | Double Damage pot (2) |
| Exterminator | Win 30 Pest Control games | 100 Void knight points |
| Fiery Fun | Obtain 10 fire capes | 5x Insta kill dart |
| One For The Team I | Sacrifice over 100M in items to the Well of Goodwill | Donator chest |
| Got the Crabs | Kill 100 Rock crabs | 30x Crystal key |
| Grand Exchange | Exchange 1,000 items to Piles | 1K Platinum token |
| Green Fingers II | Supply your bottomless bucket with infinite ultracompost | 3x Farming casket |
| I Get Around | Teleport to your task using the Slayer ring | 100 Slayer points |
| Incendiary | Burn 500 logs | Firemaking casket |
| Ironman II | Fletch some ruby bolts (e) from scratch | 1k Dragon bolts |
| Knowledgeable II | Answer 25 Trivia bot questions correctly | 5x Event key |
| Level Up | Upgrade a piece of PVP gear to the next tier | 3x Boss Supply crate |
| Living on a Prayer | Bury or use 150 bones on an altar | Prayer casket |
| Lucky Strike | Catch a lucky impling barehanded | 100x Dragon impling jar |
| Magician II | Achieve a magic level of 99 | Double Damage pot (2) |
| Master of Arms II | Achieve an attack level of 99 | Double Damage pot (2) |
| Mysterious Stranger | Sell your Mysterious Emblem(s) to the Emblem trader |
Mysterious emblem (tier 5) |
| Off To The Races | Win a bet on any Terrorbird race | 5M Coins |
| On Another Level | Enchant 1,000 sets of bolts | 1k Ruby dragon bolts (e) |
| On Your Way Out | Die 10 times | 3x Boss Supply crate |
| Pker II | Kill 10 players | Mysterious emblem (tier 7) |
| Prestiger | Prestige 5 times | Large Exp lamp |
| Questing | Earn your first quest point | 10x Clue box |
| Quick Getaway | Teleport from 20+ Wild using a Royal seed pod | 1k Pvm points |
| Shine Bright | Cut 250 gems | Bag full of gems |
| Shoot Your Shot | Perform a hit using the Crystal bow | 1k Pvm points |
| Skilled II | Achieve a total level of 1500 or higher | 3x XP Lamp |
| Strength in Numbers | Activate any of your pet effects | Large XP lamp |
| Rejuvenation | Cure your venom by drinking from the Rejuvenation pool | Boss Supply crate |
| Skulled Revenge | Kill a Revenant in the wilderness while skulled | 1k Revenant ether |
| Slayer Apprentice III | Complete a hard slayer task | 150 Slayer points |
| Slayer Apprentice IV | Complete a wilderness slayer task | 150 Slayer points |
| Unboxer | Open 50 item sets | 10x Clue box |
| What's Krakin'? | Kill 25 Krakens | Slayer box |
Upon completion of the Medium Achievements you can talk to Twiggy O'Korn at the west side of home to receive the: Kandarin headgear 2, Ardougne cloak 2, Desert amulet 2, Varrock armour 2, Morytania legs 2, Wilderness sword 2, Western banner 2, Falador shield 2, Karamja gloves 2, Fremennik sea boots 2, Explorer's ring 2, and Rada's blessing 2.
Wearing any 5 pieces of the Medium Achievement Diary outfit will provide a 5% experience boost, this is stackable with skilling outfits.
Ex: Wearing the Explorer's ring 2, Desert amulet 2, Wilderness sword 2/Western banner 2, Falador shield 2, and Rada's blessing 2 + a full skilling outfit will provide a 15% experience boost.