Blast Weapons with [BLAST] in their profile are known as Blast weapons, and they make a random number of attacks. Each time you determine how many attacks are made with a Blast weapon, add 1 to the result for every five models that were in the target unit when you selected it as the target (rounding down). Blast weapons can never be used to make attacks against a unit that is within Engagement Range of one or more units from the attacking model’s army (including its own unit).
Psychic Some weapons and abilities can only be used by PSYKERS. Such weapons and abilities are tagged with the word 'Psychic'. If a Psychic weapon or ability causes any unit to suffer one or more wounds, each of those wounds is considered to have been inflicted by a Psychic Attack.