Continued non-RAW discussion of Lodestone Lure:
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Steal from Come and Get It (revised). The pull is completely optional in size like all other powers. But the Hit effect only kicks in if the target ends up adjacent.

Hit: Pull the creature 1 square. If the creature ends the pull adjacent to you, it takes Constitution modifier damage and is Lured until the end of your next turn.
Effect: You gain a Lodestone Aura 2 until the end of your next turn. Creatures Lured by you in your Lodestone Aura cannot move or be moved further away from you, except via teleportation.

Augment 1
Range: Melee 5
Hit: As above, but the pull is 4 squares.
Effect: As above, but the Lodestone Aura is 5.

Augment 2
Range: Melee 5
Hit: As Augment 1, except 1[W]+Con damage
Effect: As Augment 1, except creatures Lured by you may not teleport further away within the aura.