Primaris Reivers Crowe can seek out and

Crowe can seek out and strike down enemy characters with the cursed Black Blade of Antwyr

the Aggressors can also take a fragstorm grenade launcher

they empower the servants of the Machine God and the holy creations of war they bear

This massive kit can alternatively build a variety of other super-heavy tanks:

Primaris Reivers Crowe can seek out andAll Space Marines are experts of the rapid strike, but Reivers take these skills to the next level. They are specially trained and equipped to launch brutally effective and unexpected assaults. They do this with a sudden fury and shocking violence, for the Reivers fulfil the role of terror troops that sow fear and confusion amongst their foes. This multi part plastic kit contains the components necessary to assemble a 10 man Primaris Reiver Squad.