Transcription of perk text (ammo use, cooldown, and notes are in parentheses):

Demolitions Expert | Heavy Gunner

Blast Plating - Gear includes an extra layer of padding and blast plates, granting a bonus point of armor and 66% less damage from explosive attacks. | Shredder – Your cannon attacks shred armor. (amount of shredding depends on tech level)

Demolition – Unleash a volley of bullets at your target’s cover, significantly damaging or destroying it. Deals no damage to your target. (2 ammo used, 3 turn cooldown) | Suppression – Fires a barrage that pins down a target, granting reaction fire against it if it moves, and imposing a -50 penalty to the target’s aim. (2 ammo used, no cooldown, can be canceled by taking damage, aim penalty stacks with multiple suppression)

Heavy Ordinance – The grenade in your grenade-only slot gains a bonus use. (includes non-offensive grenades such as Battle Scanners and Smoke Grenades) | Holo Targeting – Any directed cannon shot, hit or miss, will mark the target, increasing your squad’s aim by +15 against this target. (includes Suppression, excludes any cannon ability that targets multiple enemies)

Volatile Mix – Your grenades have an increased radius of 1 tile and deal +2 damage. (does not increase environmental damage) | Chain Shot – Take a shot with an aim penalty of -15. If you hit the target, you take another shot on the target automatically. (2 ammo used, 3 turn cooldown)

Salvo – Launching or throwing grenades, or using heavy weapons with your first action, will not end your turn. | Hail of Bullets – Unleash a hail of bullets that is guaranteed to hit your target, but uses a lot of ammunition. (3 ammo used, 5 turn cooldown)

Saturation Fire – Fire a cone-shaped barrage of bullets at every enemy in the area. In addition, the cover of those enemies can be damaged or destroyed. (3 ammo used, 5 turn cooldown, damage is represented by taking a standard shot at every enemy in the cone) | Rupture – A Rupture shot deals critical damage and ensures that the target takes an additional +3 damage from all attacks in the future. (3 ammo used, 3 turn cooldown)