Charms work by being in your inventory. Currently, all of them are based on the Luiafk mod. They'll work without that mod enabled, but won't have crafting recipes. Also unlike actual Luiafk items, these items will not enabled items in storage to work.
Unlimited Defender Potion | Unlimited Sentry Potion | Unlimited Engineer Toolkit |
Expanded Sentries/Unlimited Sentry BuffsUnlimited Sentry Buffs |