The phrase "weapon attack" means someone using a tool or object specifically designed to harm or hurt others in a harmful or violent way. Full definition
When he spoke about it years ago, in 2013, another president was facing the decision of how to respond to a chemical - weapons attack in the country. (theatlantic.com)
More innovative cooperation is needed now, before another biological weapons attack happens, to reduce the risk that it will. (scientificamerican.com)
Players use weapon attacks and magical abilities (e.g., drain, fire, poison) to defeat enemies; battles are accompanied by impact sounds and mild explosions. (esrb.org)