The video above is the The Witcher 3 Wild Hunt Destination: Skellige Main Quest Walkthrough and shows how to complete Destination: Skellige, the quest featured in The Witcher III: Wild Hunt.
The video walkthrough covers the following objectives:
Find a boat headed to Skellige.
Look for the ship’s captain at the Golden Sturgeon.
Pay Captain Wolverstone the requested amount to sail to Skellige.
Defeat the pirates.
Go to the port near Kaer Trolde.
(Optional) Teach Steingrim a lesson.
