In Aid of the Myreque/Quick guide

Burgh de Rott

 * Talk to Veliaf Hurtz in the hideout behind Canifis pub. (Chat 1-2-1-1)
 * Travel to Mort'ton, the fastest way is by using the swamp boat in the previous quest.
 * Speak to Florin, south of the summoning obelisk. (Chat 5)
 * Use food on the chest, there are snails to the northwest which you can cook.
 * Jump the gate.
 * Talk to Florin (4-5)
 * Clear the trap door in the pub, then climb down.
 * Fill all your buckets with rubble, your buckets can be emptied on the pile outside the pub.
 * Search the plaque.
 * Go up and talk to any villager. (Chat 3-4)

General store and bank

 * Talk to Aurel in the general store. (4-5)
 * Climb the ladder and use a plank on the roof.
 * Climb down and use a plank on any damaged wall.
 * Talk to Aurel. (4-5)
 * Fill the box with supplies, snails are found northwest over the bridge, mackeral can be fished south of the bank. Don't cook them, just add them to the box.
 * Return the crate to Aurel.
 * Talk to Cornelius in the bank. (4-5)
 * Use a plank on the glassy booth.
 * Use a plank on the wall behind it.
 * Talk to Cornelius (4-3)
 * Talk to any villager. (4-5)
 * Use a steel bar and coal on the furnace east.
 * Search the furnace to light it.

Vampyre slayer

 * Talk to Gadderanks in the general store.
 * Talk to everyone else in the general store.
 * Kill Gadderanks and the vampyres.
 * Talk to Gadderanks.
 * Talk to Veliaf (might bug and say 'Null', continue to Canifis hideout)
 * Talk to Veliaf in the Canifis hideout. (5)
 * Talk to Polmafi then Radigad then Ivan.
 * Route 1 is generally easier:
 * Kill the vampyres.
 * Enter the nearby trapdoor and talk to Drezel until he gives you a key. (If you can ask for items (2) then (1-4-3)
 * Use the key on the east wall, then climb the secret trapdoor.
 * Find and read all 3 books.

Silvthrill rod

 * Smash the boards south of the secret wall in the hideout.
 * Enter and use soft clay on the tomb.
 * Smelt a silvthrill rod at any furnace.
 * Enchant it using the Enchant Level 1 Jewellery spell.
 * Use the rod on the well west of Drezel.
 * Return to the pub where you cleared the rubble.
 * Talk to Veliaf. (1-1)
 * Quest complete!