for dead enemies you need to hide them when they first die (use a state swap to one that does nothing too) and then use the Spawn(e) command to bring them back to life (remember to show and swap back the state)
for waypoints see the attachment (i assume you mean undead - translator?)
life\'s one big game
windows vista ultimate
i5 @3.3ghz, 4gb ram, AMD R9 200 series , directx 11