5e Concentration Rules

Does Death Ward Break Concentration in D&D 5e? The 0 HP Rules, Explained

Death Ward stops the drop to 0, not the damage. What that means for your concentration, precisely.

Does Death Ward Break Concentration in D&D 5e? The 0 HP Rules, Explained

By the rules as written: no, Death Ward does not break concentration. If Death Ward catches you, your concentration does not automatically break, because you never actually drop to 0 hit points. You do still make a Constitution saving throw for the damage itself, and that distinction is where most of the table arguments live. Here’s the whole interaction, piece by piece, plus the rulings DMs commonly use where the text runs out.

What Death Ward actually does

Death Ward is a 4th-level abjuration spell on the cleric and paladin lists. It lasts 8 hours, requires no concentration, and has two protective clauses. The first: the first time the target would drop to 0 hit points from damage, it drops to 1 hit point instead and the spell ends. The second: if an effect would kill the target instantly without dealing damage (an intellect devourer’s Body Thief setup, a banshee-style death effect), that effect is negated and the spell ends. The phrase doing the work in the first clause is “would drop.” The spell intervenes before the drop happens, so you never reach 0, never fall unconscious, and never gain the incapacitated condition.

The five ways concentration breaks, and what Death Ward prevents

Concentration breaker Does Death Ward prevent it?
You cast another concentration spell Not relevant; your choice
You take damage (CON save, DC 10 or half the damage, whichever is higher) No. You still took the damage, so you still make this save at full DC
You drop to 0 HP Yes. You drop to 1 instead, so this trigger never occurs
You become incapacitated or die Yes, for this damage event. No 0 HP means no unconsciousness, no incapacitation
Environmental disruption at DM discretion (crashing waves, etc.) Not relevant

So the complete picture of the moment Death Ward fires: the hit that would have dropped you still forces a concentration save against half its full damage, and that save can absolutely fail. What Death Ward removes is only the automatic loss that comes from hitting 0 and falling unconscious. A 40-damage hit that would have flattened your wizard becomes a DC 20 concentration save instead of a guaranteed spell loss. That’s a huge upgrade, not immunity.

Why the temp HP comparison matters

Official rulings on temporary hit points establish the underlying principle: when temp HP absorbs a blow, you still “took damage” for concentration purposes, and the save DC uses the full damage dealt. Death Ward follows the same logic from the other direction. It doesn’t reduce or absorb the damage at all; it changes only the outcome of the drop. Damage happened, so the damage-based save happens. The drop didn’t happen, so the drop-based loss doesn’t.

Where DMs still have to make a call

Edge case Common rulings
Does this logic extend to Relentless Endurance and similar “drop to 1 instead” features? Almost universally yes. Same “would drop” structure, same result: concentration save for the damage, no automatic loss. Whatever you rule for one, rule for all of them
Massive damage instant death (damage remaining ≥ your HP max) Massive death requires reaching 0 HP first. Death Ward intercepts the drop, so most tables rule it prevents the whole chain. A stricter minority reads the overflow as bypassing the ward
Instant-death effects negated by clause two No damage was dealt, so no concentration save at all. Clean ruling, rarely disputed

How I rule it at my table

At my table, I rule that Death Ward saves you from the automatic concentration loss, but not from the concentration save for the damage. You still got hit, so you still roll the Constitution save against the full damage like normal. It has not come up a ton, but I like the ruling because it keeps Death Ward powerful without turning it into free concentration immunity. For the massive-damage edge case, I would let Death Ward stop it, because the instant-death rule depends on the character actually dropping to 0 first, and Death Ward interrupts that moment.

What this means for play

For casters, Death Ward is one of the best concentration-protection buys in the game precisely because it doesn’t compete for your concentration slot: a cleric can ward the party wizard in the morning and both of them keep concentrating on whatever they like for the next 8 hours. For DMs, the practical takeaway is consistency. Decide once whether “would drop to 0” prevents drop-triggered effects, write it down, and apply it identically to Death Ward, Relentless Endurance, and every feature with the same wording. The interaction only feels controversial when it gets ruled differently from week to week.

This is one entry in a larger family of concentration edge cases (what does and doesn’t force a save, how foci and components interact with it, what 2024 changed). We’re building out the full concentration reference here, so check the related guides linked on this page as they go live.

FAQ

Does Death Ward stop concentration from breaking in 5e?
It prevents the automatic break. Concentration breaks automatically when you drop to 0 HP, and Death Ward drops you to 1 instead, so that trigger never occurs and you never fall unconscious. You still make the normal Constitution saving throw for taking the damage, and failing that save still ends your concentration.
Does Death Ward require concentration?
No. Death Ward is a 4th-level abjuration with an 8-hour duration and no concentration requirement, which is why it pairs so well with concentration casters: the cleric can ward an ally and both characters remain free to concentrate on other spells.
Does Death Ward protect against massive damage instant death?
Most tables rule yes. The massive damage rule kills you when leftover damage at 0 HP equals or exceeds your hit point maximum, but it requires reaching 0 HP first. Death Ward intercepts that drop and leaves you at 1 HP, so the chain never starts. A stricter minority ruling lets extreme overflow bypass the ward; decide before it comes up.
Do you make a concentration check when temporary hit points absorb damage?
Yes. Official rulings confirm you still took damage even when temp HP absorbs it, and the save DC is based on the full damage dealt. The same principle explains Death Ward: it changes the outcome of the drop, not whether damage was taken.