The speaker expresses enjoyment of the game while simultaneously experiencing fear and frustration regarding the dangers and claustrophobia of new cave environments.

“oh god this is scary amount of water what whoa come his water assistant ow oh this is too freaky man hey that's so cool oh what that was so sick”

The speaker finds the exploration and finding new features like lush caves in the Minecraft update to be a highly enjoyable and rewarding experience.

“this is really my favorite part of minecraft is running”

Jacksepticeye suggests that the most effective way to find nether fortresses is to explore in one direction for a distance before changing paths.

“I think you're supposed to go like a hundred blocks north or south and if you don't find one then go east or west is that it's like the best way of covering the most ground”