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Stalk is the Hunter's ability to track down mobs or players through
path-finding instead of class or pk travel abilities. Any mob can be stalked,
but you can only stalk players that are within your pk range.
Stalk, in combination with a Hunter's POUNCE ability, is one of the
main strategies for a Hunter to kill.
The difference between stalk and class travel, is that stalk will walk you,
somewhat slowly, to the target, and stop you when you're one room away,
displaying a message that you're ready to pounce. This is useful as it
bypasses NoSummon, and no PKPoints are necessary.