If you'd like to refine your strategy further, would you prefer a list of or a detailed breakdown of the updated evolution methods ?
Since Trainers have optimized IVs and EVs, being slower usually means losing. Focus on fast sweepers like Jolteon, Weavile, or the buffed Sceptile.
Many late-game trainers use Weather teams (Rain/Sun/Sand). Having a Pokemon that can change the weather is a literal life-saver. Conclusion
The first few hours of Volt White 2 are notoriously difficult. Cheren and Roxie will likely end your run if you aren't prepared.
Detailed rosters for Gym Leaders, Rivals, and the Elite Four, including their items and move-sets.