If you think about it, if you have bkb up the only way they can break linkens is by using a debuff immunity-piercing spell or item, so situationally it can be very good and probably the only way for your hero to play a game sometimes if no backup from team (think bloodseeker rupturing a faceless void).
If you think about it, if you have bkb up the only way they can break linkens is by using a debuff immunity-piercing spell or item, so situationally it can be very good and probably the only way for your hero to play a game sometimes if no backup from team (think bloodseeker rupturing a faceless void).