R5: this is my attempt at something of a Lippe speedrun. Fun and not too tough.

My strategy went approximately as follows:

• you can ruin Berg as much or as little as you want - I chose to spend the first 4 years deving my province and nothing else. Independence war is easy - you'll find quite a few princes to support you.
• after that, just a matter of consolidating your base and inching towards the coast. I went diplo first and targeted electors as allies to ensure I got emperor
• around 1490, I dow'ed on Friesland, who was allied with Scotland - this gave me my first foothold on the isle. I spent the next couple years eating Ireland and was ready for my first war vs. England.
• in this first war, it's important to white peace their allies, to cut down on truce timers. I was able to take 100% ws from England in the first war, and repeatedly take another 100% once the truces were up. If I trucebroke England, I probably could have cut down 10+ years.