Lines are quoted from the official notes; buff/nerf tags are auto-classified from the numbers and can be wrong. Covers the 14 most recent Dota 2 patches PatchMeter has fetched.
⇄adjustOne Man ArmyIncreases Axe's Strength by 50% of his armor, as long as there are no allied heroes within a 700 radius of him. The effect fades over 3s after an ally walks within range
⇄adjustCulling BladeNow each hero kill made with Culling Blade provides a permanent stack, which provides 1/1.5/2 armor depending on the current level of Culling Blade