大家只要记住每个地图的点就行
GW2 achievement guide for Burn Down the Dragons achievement with a list of Dragon Effigy locations. There are 30 Dragon Effigy located in the various lowbie zones for each race.
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The effigies are character bound and are server specific so you can either guest to another server or use an alt to lit all 50 effigies you need for the achievement. These effigies also seem to respawn after an hour.
You can move immediately after igniting the effigy without having to wait for it to finish.
Look for these icons on the map to locate the Dragon Effigy.

Kryta – 9 Dragon Effigies
3 in Queensdale
3 in Kessex Hills
3 in Gendarran Fields
Queensdale

Kessex Hills

Gendarran Fields

Shiverpeaks – 6 Dragon Effigies
3 Wayfayer Foothills
3 Snowden Drifts
Wayfayer Foothills

Snowden Drifts

Ascalon – 6 Dragon Effigies
3 Plains of Ashford
3 Diessa Plateau
Plains of Ashford

Diessa Plateau

Maguuma Jungle – 9 Dragon Effigies
3 Caledon Forest
3 Metrica Province
3 Brisban Wildlands
Caledon Forest

Metrica Province

Brisban Wildlands