None, though using Magic or a Ranged weapon is recommended
Have no weapons or armour equipped or in your inventory
Tinderbox and a regular bullseye lantern
Means to cast Telegrab
Bronze spear, watermelon, and a hay sack (you can fill an empty sack with hay at the hay bale in the chicken coop nearby.)
It is not possible to skip having to complete Skippy and the Mogres, or needing a fishing explosive, by killing them through a boat cannon through the Sailing skill.
6 Willow branches
Means to cast Falador Teleport
28 pure, daeyalt, or rune essence (less may suffice at higher Runecraft levels)
Access to the Mind Altar (mind talisman/tiara, catalytic talisman/tiara, or the Abyss)
5,000 coins (an additional 5,000 coins if your randomised family crest already is Saradomin, to change to another and back)
See the strategy guide
Protection from the wyvern's icy breath and weaponry to slay it
Protection from dragonfire and weaponry to slay it
Full Proselyte armour
130 combined levels in and, or level 99 in either
Access to the Air Altar (air talisman/tiara, elemental talisman/tiara, or the Abyss)
Rank of White Knight Master (requires a Black Knight kill score of 1300 - this rank automatically starts at White Knight Novice, with a kill score of 100)
Completion of all quests or level 99 in any skill
Any Cape of Accomplishment (except for joke skillcapes or the Max cape)
Open against your account
Guides run on a player's profile, so look up an RSN to see your own progress on this diary.