The Assault is one of the best classes to modify with Mimetic Skin since Run and Gun opens up a lot of options. Since the Assault is the first to scout ahead, this mod allows him to do so safely. This gene mod really fits the Assault's playstyle.

Free shots like Close and Personal and Close Combat Specialist can turn a miss into an added benefit. The Assault's Rapid Fire immediately benefits from this mod if the first shot misses. Hyper Reactive Pupils + Rapid Fire + Close and Personal + Close Combat Specialist The immunity to panic and the additional will also greatly helps Assaults with low will. For this reason, Neural Damping is the best since you do not want your Assault, under any circumstance, to be mind-controlled and be made to wreak havoc on the rest of your squad. Neural Damping The Assault is one of the most lethal soldiers in your squad, especially when armed with a shotgun. The Assault enjoys the highest priority since he benefits the most from gene mods. This means they are more difficult to kill and thus, mods won't be wasted. They have several skills you can take to improve their survivability such as Tactical Sense, Lightning Reflexes, Extra Conditioning and Resilience. The Assault excels at fighting whether offensive or defensive.

Secondly, they are excellent frontline troopers the best at scouting ahead and flanking the enemy with Run and Gun. First, they are the very best at close-quarters combat with the Shotgun, Close Quarters Specialist and Close and Personal. The skill builds may vary but the Assault has two distinct specialities. “When you decide to attack, keep calm and dash in quickly, forestalling the enemy.attack with a feeling of constantly crushing the enemy, from first to last.” - Miyamoto Musashi

Xcom long war gene mods