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Ice: Sentry - Destroyer - Observer
Strength: 4
During each encounter with this ice, the Runner cannot break more than 1 of its printed subroutines except using killers.
[subroutine] Give the Runner 1 tag.
[subroutine] Trash 1 installed resource or piece of hardware.
[subroutine] Trash 1 installed program that is not a decoder, fracter, or killer.
3 stars
So the obvious point of comparison is Ivek from Midnight Sun, which I never saw get any play. Now, Boto is strictly better than Ivek, which means it'll see more play than Ivek. But I don't think it's so much better than Ivek that it will get bumped up to a must-run. So 3 stars it gets.