The nightmare for rival harness racing trainers is becoming a reality - pacing giant Heaven Rocks is growing up.
And the early market for the New Zealand Trotting Cup is starting to reflect it.
The dual Harness Jewels winner has moved into $3.60 second favouritism for New Zealand's greatest harness race at Addington on November 14, with defending champion and stablemate Lazarus drifting slightly to $2.20.
The pair have only clashed once, when Lazarus was too professional for Heaven Rocks in a free-for-all at Addington last season but the latter has produced so many freakish performances trainer Mark Purdon says there is little between the pair's motors.
But Heaven Rocks has always had manners issues on raceday, from missing away to pulling hard and hanging he is rarely a comfortable watch for his supporters.