Giant will[sblock]swim up to 90N35E20Z and over to 55N35E20Z. If he runs into the dragon while he still has a standard action, punch the dragon. In future rounds, if the dragon does show himself to Giant, Giant will swim directly towards the east wall, tapping out in two rounds.
I think in future editions of TBoAA, there should not be a radar. If a combatant is so good at hiding that even the onlookers cannot see it, that should be rewarded.[/sblock]