Any damage instance boosts up the damage buff from Brienne. There is a great synergy between her and Gunnar - since the whole team shares the taken damage, any hit taken by any of your heroes will boost your Brienne buff on all affected heroes.
Any damage instance boosts up the damage buff from Brienne. There is a great synergy between her and Gunnar - since the whole team shares the taken damage, any hit taken by any of your heroes will boost your Brienne buff on all affected heroes.