The Top 0.5%.

He thought to himself, "The entire abyss can't threaten the High Heaven Realm, but the Tyrant Realm can't withstand us. This goes to show that Mother High Heaven is not an ordinary Will of the realm." 

They are both Wills but they have different methods of raising their children. Mother High Heaven encouraged individual opportunity for each race to shine to a certain level and for diversity to flourish. 

Even gods and demons were able to flourish in the High Heaven Realm. That diversity granted the High Heaven Realm resistance to myriad attacks that the Tyrant Realm clearly lacks. 

The demons of the high heaven realm can't even threaten some planes, but they have brought low an entire Tyrant realm. All he can see on the main plane is destruction. 

Oceans of various colors have appeared where there used to be none. These oceans are growing larger and submerging their surroundings, killing everything along the way.