The phrase "a much more destructive" is correct and usable in written English.
It can be used when comparing the level of destructiveness of one thing to another, emphasizing a greater degree of destruction.
Example: "The hurricane was a much more destructive force than the previous storm, causing widespread damage across the region."
Alternatives: "significantly more harmful" or "far more devastating".
But although Alvarez is a much more destructive fighter than Mayweather, he is also a much less voluble character.
"A fire or an explosion can be a much more destructive accident, even tragic," the narrator tells us, "but it's not disgraceful, like a gelatinization".
He'll give Carl a decent fight but Frampton is a much more destructive puncher, has got a better chin and is much more intelligent.
Eight buildings collapsed in Cairo where, just several years before, the much smaller 1992 Cairo earthquake had a much more destructive impact.
After the firestorms that swept the West amid a merciless drought and the killer tornadoes and freak storms that battered the Midwest, South and East Coast, Sandy is just 2012's latest screaming reminder that our weather is becoming a much more destructive force.
No warning was given to Hiroshima that a new and much more destructive bomb was going to be dropped.
They'd gotten the explosive dynamics wrong because in a hard room it's much more destructive to let off a bomb than it is in a tent where charges disperse.
We agreed that the need to remove a child after placement is much more destructive than an initial wait.
"If someone has a bottled water as opposed to much more destructive drinks, I think that is progress".
The anticipation of Greece abandoning the euro would also cause a generalised bank run, but it would be much more destructive and widespread than Argentina's, given European financial integration.Exiting the euro would require the compulsory redenomination of banks' assets and liabilities, and of practically all contracts, prices and wages.
By the 1970s, however, this strategy became a victim of its own success: Prevention was disrupting natural timber forest cycles, causing a buildup of inflammable debris that made later fires much more destructive.
