Band of Gigantism

Updated by ChromaNyan https://www.curseforge.com/members/chromanyan https://github.com/NyanMC

• Overhauled code for the marks significantly, simplifying its structure and allowing other mods to add their own marks more easily
• The true mark no longer flickers/replaces itself repeatedly when turning into a random mark
• Various tweaks to improve code formatting/ease maintenance

(changes outlined more verbosely here https://github.com/textstack/band_of_gigantism/pull/19)