Items Needed: Excalibur, some good armor and a weapon and possibly one or two prayer restore potions if you have level 43 Prayer (which is strongly recommended); one or two cure poison potions would help. Also you must have either level 45 Magic, 2 Law runes and 10 Air runes or 60 gp for the boat. The first option saves a lot time. You also need either 2 Amulet of Glory charges or another 60 gp (120 gp total).

Quest Points Reward: 2

Reward: 15300 Defence experience and 11000 Prayer experience. Possibly more or less depending on your Prayer level.

Quests:
Black Knights' Fortress
Merlin's Crystal
Holy Grail
Murder Mystery
One Small Favour

Items Needed: Full black armour (Full helm, Platebody, Platelegs/Plateskirt, Black (g) and (t) also works), Iron chainbody, Bronze med helm, and some Granite. A Camulet (if you don't have your Granite already) and teleport runes to Ardougne and Camelot are also recommended.

Quest Points Reward: 1

Reward: 1 Quest Point, 5k Magic XP, 33k Defence XP, 5k XP Lamp, and access to the Knight Waves Training Ground.

Items Required
4 buckets of water, rope (can be bought from Ned in Draynor Village for 15 coins, or in Ardougne General Store), a bucket of milk (get a bucket and use it on a dairy cow), a bar of chocolate (can be bought from the Port Sarim food shop; OR you can instead buy a chocolate dust from the Gnome Stronghold), spade, dwellberry (McGrubor's Wood, go round the back and squeeze through the railing, watch out for level 44 dogs), pestle and mortar (can be bought at Herblore shop), some snape grass (spawns on the peninsula west of the Crafting Guild)
Reward
2425 mining xp, and a Magic Scroll which tells you that you can now cast the Ardougne teleport, providing you have the magic level and the runes
Quest  Points Reward: 1

Level 10 Fletching and Level 20 Smithing.

Must be able to defeat a lvl 52 Captain.
Items
Desert Gear (Boots, Robe, and Shirt), Shantay Pass, Knife, Full or Empty Waterskin(s), Hammer, 2-3 Bronze Bars, 10-30 Feathers (all of the previous items can be purchased at Shantay Pass), at least 105gp, Food and Weapon. (NOTE: The only armor that won't burn you in the desert is helmet, cape, and shield. But you MUST un-equip the helmet and shield around guards)
Reward
Ana will give you a Wrought Iron Key useful for getting to a Mith and Addy mine in the Mining Camp; Irena will give you the choice of free exp in 2 skills - Agility, Thieving, Smithing, or Fletching (the higher your level the better the exp; also, you can choose the same skill twice!); Ability to make darts
Quest Points Reward: 2