Guild Wars 2

Woodlands Cascades

To fight the Centaurs, you need to run as fast as them. Therefore, you have to catch a mount in the forests and ride them! This will be a Woodlands Cascade exclusive ability (to ride mounts), similar to how Gliding is in Heart of Thorns.

At the north-west of Woodlands Cascade, maybe we could even have a map for fishing in the Janthir Bay.

Deep Sea Dragon

The wiki says that the Deep Sea Dragon is possibly located somewhere in the Unending Ocean (south-west of world). Therefore, to get to him, we need to travel to the Ring of Fire. From the port south of Rata Sum, we’ll be able to deploy boats and row all the way to the Ring of Fire! For large events, maybe we could even have a battleship helmed by a Commander, where we can use sniper rifles or cannons from it to shoot enemies from!

Crystal Desert

From the egg in Tarir, Glint’s offspring is born and gives you mystical powers of the dragons, to let you summon wings to fly in the Crystal Desert. You’ll be able to avoid the heavily corrupted purple ground by flying while battling Kralkatorrik!

Far Shiverpeaks

To ascend the extremely steep mountains in the Far Shiverpeaks, you’ll use a Grapple Gun to scale them! Something like Batman.

Due to the negative response around water combat and the removal of the PvP map with it, I don’t foresee Anet taking the risk of an expansion around the Deep Sea Dragon after the way HoT was received (mixed at best).

Sicarius.4639:

Due to the negative response around water combat and the removal of the PvP map with it, I don’t foresee Anet taking the risk of an expansion around the Deep Sea Dragon after the way HoT was received (mixed at best).

Based on my idea, it’ll be above water instead of underwater.

After this disastrous expansion, you really think anybody would buy another expansion.

Underwater combat sucks in every game and every movie. Always.
Swimming underwater: good.
Fighting underwater: bad

Personally, I love the fight underwater! you just improve damage.

Now, i have a crazy idea, but try to bear with me.
What if anet did an expansion aimed at the core game populace, instead of some niche minority?

…yeah, i know, unlikely to happen, but we can dream.