Buy the Gold Pass for Clash of Clans and enjoy the season perks. If you are trying to max out every single troops and spell, then the lab is your limiting resource. There are normally 1509 lab days. During May, you could normally complete 31 lab days. With the Gold Pass, you can complete an extra 6.58 days of research, plus another 1.12 days from a research potion, and two books worth as much as 16 days, depending on what TH level you are.
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