1. Bonus Action Potions (Drink Yourself, Feed Others as Action)
The single most-recommended house rule across all forums — mentioned in over 120 community threads.
The RAW rule that drinking a healing potion costs your entire action has frustrated tables since 2014. It creates a lose-lose turn where you heal for 7 HP, contribute nothing offensively, and the monster you didn't attack downs you again next round. The community's near-unanimous fix: drinking a potion yourself is a bonus action; administering one to an unconscious ally remains a full action.
Why it works: Bonus action potions make in-combat healing a real tactical choice rather than a wasted turn. Players still can't spam potions (they're expensive and limited), and the risk-reward of "do I heal now or attack?" becomes interesting instead of obvious. The full-action requirement for feeding potions to downed allies preserves the tension of bringing someone back from zero.
2. Inspiration as a Reroll, Not Advantage
Inspiration gets forgotten when it's pre-declared advantage. Make it a post-roll reroll.
The RAW rule — declare inspiration before rolling for advantage — leads to the "too good to use" problem. Players save it for the whole campaign because they're waiting for a "worthy" moment. The fix: let players declare inspiration after seeing the d20 result but before hearing the outcome. It becomes a dramatic moment — the table holds its breath as the reroll lands — rather than a forgotten pre-roll checkbox.
Most DMs who switch to this rule report that inspiration actually gets used. Players feel agency: they get to say "no, I try harder" at the moment it matters most. It's the same mechanic as the Lucky feat but resource-limited, so it doesn't break encounter balance. Some tables even hand out inspiration more freely (once per session per player) because they know it won't slow down play.
3. Martial Combat Maneuvers Without Feats
Let martials attempt disarms, shoves, and grapples as part of the attack action — not instead of it.
The martial/caster disparity isn't just about damage output — it's about options. A 5th-level wizard chooses from 10+ spells per turn. A 5th-level fighter says "I attack twice." The community's most-adopted fix gives martial characters limited access to combat maneuvers (disarm, trip, shove, grapple) without requiring the Battle Master subclass or specific feats.
The balanced implementation: a martial character can replace one attack per turn with a combat maneuver attempt. They still need to beat the target's contested check or save DC, and the effects are modest (prone costs half movement to stand, disarm means picking up a weapon as a free action). It gives martial players tactical decisions without stepping on the Battle Master's superiority dice — the Battle Master still does maneuvers better, more reliably, and with bonus damage.
4. Secret Death Saving Throws
When the party doesn't know if you're dying or dead, the urgency becomes real.
At most tables, someone goes down and the metagame math begins: "He's got two successes, we can wait two more rounds." The community fix is simple — the DM rolls death saves behind the screen and only the downed player knows the result. Nobody else at the table knows if their friend is stabilizing or bleeding out right now.
This single change transforms combat tension. The cleric agonizes over whether to heal this round or finish the monster. Players drag unconscious allies out of danger rather than calculating optimal rescue timing. It costs nothing in terms of rules complexity — same three saves, same DC 10, same nat 20 = 1 HP — but the behavioral shift at the table is immediate and dramatic.
5. Flanking Gives +2, Not Advantage
RAW flanking devalues every other source of advantage. +2 stacking keeps it useful without breaking the game.
Optional flanking rules (DMG p.251) grant advantage for flanking an enemy. The problem: advantage is so plentiful that spells like Faerie Fire, class features like Reckless Attack, and creative positioning all become redundant. Why cast Guiding Bolt when you can just walk to the other side of the goblin?
The fix that spread across forums organically: flanking grants a +2 bonus to attack rolls instead of advantage. It stacks with other bonuses, rewards tactical positioning, and doesn't invalidate half the spells and features in the game. Tables using miniatures and grids overwhelmingly prefer this version. Theater-of-the-mind tables often skip flanking rules entirely, which is also valid.
6. Leveling Up Requires Downtime
No more mid-dungeon power-ups. You need a safe place and a week of training to gain a level.
Mid-dungeon level-ups break immersion — the wizard suddenly knows Fireball because the party killed one more goblin. The community's solution: leveling requires a safe settlement and a period of downtime (typically one week per new level). Players must return to town, spend gold on training, and narrate what they learned.
This rule pairs beautifully with downtime activities. The fighter trains with the town guard (learning maneuvers), the wizard studies at the local library (copying new spells), the rogue makes underworld contacts (gaining criminal favors). It transforms leveling from a video-game ding into a narrative beat. It also gives the DM control over pacing — characters can't level until they reach civilization, which creates natural adventure arcs.