Are there any specific official rules for playing 5e past lvl 20?
59078
What character growth happens beyond level 20?
40804
Are features that allow −5 to attack to get +10 to damage mathematically sound?
2467
Can someone explain what the "Proficiency Bonus" is in D&D 5e/Next exactly?
145508
Are players allowed to accept multiple levels of Disadvantage?
140491
Can a warlock choose a lower-level spell upcast at a higher level for their Mystic Arcanum class feature?
27408
Can a spellcaster use spell slots above their normal limit if their ability scores allow bonus spells of that level?
156244
What is the CR/XP-Character Level relationship for opponents?
102276
Limitations on the Conjurer's Minor Conjuration ability
33023
How do spell lists change if the party levels up without taking a long rest?
117286
How can I convert characters from Pathfinder to D&D 5e?
153950
How can I convert D&D 5e Saving Throws into Defences?
39089
How can I play as a DM, and still have a character who keeps up in levels and can influence the story?
90388
How can I convince new players to read and learn the basic rules before sitting down to play?
34730
Can Unearthed Arcana material be used in Adventurers League?
55946
What are the primary differences between the rules of D&D 3.5 and Pathfinder?
17718
Is Con modifier × level added to HP every level-up?
963
Does Forbidden Island usually need any rule variants for playing with 5+ people?