It could be. because, Dortmund will not let Bayern win the battle easily even though the match will be played at the Allianz Arena. This match is very crucial for the two teams, even though on paper Bayern are highly favored over Dormund. as you said, that this match could be a decisive match for both teams. in particular, Dortmund who are currently at the top of the table. meaning, Dortmund only needs to maintain their ranking by holding to a draw against Bayern later, although this is not an easy matter for Endin Terzic's squad. but considering that the Bundesliga only leaves 9 matches remaining, inevitably Endin Terzic will maximize his team to maintain at any cost to stay at the top of the standings.
On the other hand, this fight should be an advantage for Bayern. because apart from them playing at home, in terms of quality, Bayern is above Dortmund. it's just that, this fight will not be easy let alone the first debut for Tuchel. this is very interesting to me, but by the way I can't speculate too far yet. because, we don't have the latest information regarding the line-up of the two teams. so, let's just wait.