: Instead of crates, farm "Bones" in Expedition mode to buy the legendary Caladbolg from the Fossil Shop. This weapon can carry you to Day 1,500–2,000. 2. The Rewind Mechanic
Purchase the Elixir-boosting walls (like Abyss and Glacier). These passives stack together globally, drastically increasing your Elixir yield from every single Rewind. days+bygone+guide+new
You cannot survive with just one hero. You need a combination of slow, DPS, and gold generation. : Instead of crates, farm "Bones" in Expedition
If you’d like, I can provide more specific strategies, such as: The best heroes for specific day ranges. : Instead of crates