Inspiring Barrage:Replenish 10% Toughness over time during Continuous Fire. Stacks up to 5 times.
Hold down the right button to shoot continuously until the 42-round clip is empty, which takes a total of 12 seconds and restores toughness from 0% to 32%.
Left click and special attacks cannot trigger resilience recovery effects
Attacks that hit and kill enemies have the same effect as shooting into the air, with a recovery of 32% in 12 seconds

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Enemies Within, Enemies Without:Replenish 5% Toughness per second while within 5 meters of 3 enemies.
Chinese localization error, did not indicate the need for more than 3 enemies to trigger the effect
“四面楚歌:在距离任意敌人5.0米范围内时,每秒恢复5%韧性。” → “四面楚歌:在以玩家为中心半径5米内,至少存在3个敌人时,玩家自身每秒恢复5%韧性。”