Save them until at least Day 1,500. Opening them early is a waste of a limited resource.
Every 365 days, you can "Awaken" a skill, giving it a massive multiplier. Prioritize awakening Time Jump first, as it allows you to keep more of your stages after a rewind, significantly speeding up your progress. 3. Building Your Hero Roster days+bygone+guide+new
Days Bygone is a game of incremental growth. It rewards patience and smart resource allocation over twitch reflex skills. Focus on permanent Armory upgrades first, unlock the Forge mechanics second, and master the timing of your Hero abilities to push back the endless tide. Save them until at least Day 1,500