For me it's Mashle, the Apothecary Diaries and Frieren as top Peaks.
Ragna Crimson is the hypest battle anime airing right now. The fights are way more peak than anything Solo Leveling will have until the Ants arc.
Classroom of the Elite Season 3 is my guilty pleasure. I just love the bullshit in this one.
Dungeon Meshi, everyone should watch Dungeon Meshi. Also shangri-la frontier is quite fun. Besides these I'm watching mashle, frieren and solo leveling, but I think solo leveling is kinda mid