well the amount of quests you have to do depends on how many quest pionts you get for each one. if you want to get it done faster
No.
No, Dragon Slayer is the last quest you can complete without a Runescape membership.
by doing all quests in lair
pee in your pants
dragon slayer gives 20k str and defence xp
If you look at the Dragon Slayer quest in your quests tab, it should tell you all the recommendations that you will need, if it doesn't or they are lined out - it means that you are ready to start the quest.
A plank is used in the construction skill and certain quests such as dragon slayer to fix the boat.
Go to Dragesvard and start the quest 'Train Dragon Slayer'. Once you finish the quest you will have to roll a dice. Getting over 70 will give you a scale. Give it to Galaoth and he will give you dragon slayer armor. This will allow you to learn dragon moves which will make you better at dragon slayer missions.
Dragon Slayer is a moderatley long quest, compared to some of the Member quests such as Monkey Madness, Legends Quest, and While Guthix Sleeps. If you follow a guide it shouldn't take you more than a few hours. You can find a guide for all RuneScape quests at www.RuneHq.com
Do Dragon Slaying quests from Galanoth who allowed you to become a Dragon Slayer, if you pass and manage to kill the dragon you'll lvl up your skills.
Dragon Slayer is a member's only quest. Unless you are a member, it won't let you do the quest. If you are a member, try doing the other quests to see if you unlock it.
To NON MEMBERS, Dragon Slayer. To Members, (well, there's a lot of hard quests but I'm gonna tell you 2 of hardest to me) While Guthix Sleeps, Desert Treasure.