There were few who would dare mess with him, and those that did found him to be extremely lethal.

The mixture's high carbon monoxide content makes it extremely lethal.

Having encountered a mysterious and extremely lethal adversary, Nävis has to fight for survival.

Whoever had built it obviously knew that they were dealing with something extremely lethal.

He was an expert on tabun, an extremely lethal chemical.

Third, it must be extremely lethal, with a mortality rate of c. 50-75%.

Boosted, and no doubt containing a wide variety of extremely lethal implants.

In these cases, the creature is said to be aggressive and extremely lethal, and has, according to some tribes, killed a number of humans.

Extremely lethal against enemy personnel, but also very loud.

It had to be something fast and extremely lethal.