I am not sure who else Real could get, but focusing too much on midfield which is already decent enough is not the way to go. First of all they always needed a striker, that season Benzema had which won him ballon d'or made them suspicious about getting one but they need one without a doubt.
Since we are talking about Real here, they can't just get a decent player, they need a big name, not sure how big of a name they will get, not like they will get Mbappe, but I bet that they are going to get someone very special without a doubt. They have no other choice, they have to get one and that will be a very important situation. If they can get a good one then they are going to be good, if not then they are going to be a pretty boring team again.
Real Madrid will focus more closely on bringing in players in the summer transfer window, especially Real Madrid management has got Bellingham which can be prioritized for the central side or rather to be a replacement for Toni Kroos position. Now, to bring in a replacement sticker for Benzema, I think Real Madrid will move quickly in the transfer market. Several names have become the target of Real Madrid management, one of which is Firmino, who can be relied on if Real Madrid are interested in getting him. Apart from that the names Harry Kane and Osimhen were also heavily linked with Real Madrid in the transfer window.
I think that if real madrid fail to get a really good quality sticker like Benzema it will be quite difficult for them to provide strong competition next season in Laliga or the Champions League. I think Real Madrid will be looking for a sticker who is experienced enough and it leans more towards Harry Kane.