I'm pretty sure Nihilus still stomps. Thanks anyways.
TE
The EllimistThe Shadow
Caedus, reasons later
ANC
AncientPowerThe Chosen One
Nihilus stomps, making himself small is only going to delay the inevitable.
SUN
SunRazerBack From The Dead
A "stomp" is likely pushing it, but Nihilus wins all the same. The only plausible arguments for Jacen here are ones that relate to the circumvention of Nihilus' powers, not outmatching them.