增加防御 meaning in English

ac
defiance
shout

Tactical mastery : now greatly increases threat generated by mortal strike and bloodthirst while in defensive stance , in addition to current effect
战术大师天赋现在会大幅度增加防御天赋下致死打击和嗜血技能造成的仇恨值
Level 50 skill eduction armor : reduces melee , ranged and magical damage . the higher the knight level , the greater the damage reduction . immune to cancellation
50级魔法增幅防御:增加防御力，使自身受到的伤害减少。等级越高能减少的伤害越多(不可以被魔法相消术) 。