The Swallowed Sun
Variant and House Rules
Divine casters must learn spells like wizards, rather than having full access to all available magic of appropriate spell level. They gain access to four new spells every time they gain a level, chosen from all spell levels they know. Additional spells can be discovered through a variety of methods, including training by other casters or discovery of lost knowledge in books.
Variant encumbrance: Characters are lightly encumbered at 5 x Str, heavily encumbered at 15 x (PHB 176).