how was driftmark so esaily defeated during battle fo teh gullet

Driftmark wasn’t “easily” defeated so much as caught on the wrong side of a surprise, multi-pronged assault during the Battle of the Gullet. The Triarchy used speed, timing, and a pincer attack to overwhelm the Velaryon defense, and the southern force slipped past the main fighting to sack Driftmark directly.

Why Driftmark fell

A few things lined up against it:

• The Triarchy attacked by surprise, using weather and fleet positioning to mask the approach.

• The Velaryons were focused on holding the naval blockade at the Gullet, so their defense was split between sea fighting and protecting the island.

• The southern Triarchy squadron bypassed Dragonstone and hit Driftmark instead, burning Spicetown and High Tide.

• Once the dragons entered the battle, the sea fight turned into chaos, which made it harder to protect the island’s harbors and stores.

Why it looked so fast

From the outside, it can seem like Driftmark was overrun instantly because the sack happened in the middle of a much bigger naval disaster. The Triarchy’s main goal was to break the blockade, but the side effect was a brutal landing on Driftmark that devastated the coast before help could fully respond.

What the battle really cost

The battle was not a clean victory for anyone. The Triarchy lost most of its fleet, but Driftmark was badly damaged, Spicetown was destroyed, and the Blacks lost Jacaerys Velaryon, which was a huge strategic blow.

In plain terms

Driftmark fell because it was outmaneuvered, not outmatched one-on-one. The attackers used surprise and diversion, then struck the island while the main battle was already consuming the defenders.

TL;DR: Driftmark was defeated because the Triarchy launched a surprise pincer attack, split the defenders’ attention, and sent a separate force to sack the island while the naval battle raged elsewhere.