I mean they have a standing army more than a million strong. Each member of that army can wade into battle outnumbered 100:1 and still win. Not only that but they are IMMORTAL. Killing a guardian only pisses them off.
No worries your city is protected by millions of immortal juggernauts. With magical powers to boot.
English
#Destiny
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'Cause YOLO. ...I'm sorry, I could barely even type that without vomiting. Besides, the Last City is only defended by Guardians. Guardians only guard it, they're not the only inhabitants. Now excuse me while I go wash my hands for something I previously typed in this post.