Hello there,
@FR2k707 is correct! There's no achievement for arriving in Ireland. Depending on how you play the game might affect the first achievement you unlock. In my own gameplay, "For a Druid" was the first one, and the easiest to get.
If you haven't already, @HAWKDrakzar, I'd recommend giving a Trial of the Morrigan a go to see if the achievement unlocks successfully for you. If you have any trouble unlocking the achievement, please don't hesitate to reach out to us so we ca...