1

It’s a servant of a long-dead religion

2

It’s obedient to a long-gone political group

3

It’s meant to target a perhaps-vanished foe

4

It needs an environment that is now rare

5

It’s accepted by certain ancient defenses

6

It serves an alien or vanished aesthetic end

7

Its home was a place that is now gone

8

It seeks something that has since been lost

9

It seeks victory in a struggle that is now over

10

It’s only part of something, the rest now gone

11

It serves an urge that no longer makes sense

12

It was sacred to some group that is now lost