Do Party Buffs Stack? The Parentheses Already Told You

Guide scope

Why Two of Them Didn't Make You Stronger

This is the trap new players fall into most, and nothing on screen tells you: you fill all five party slots with buff Pals and maybe half of them are doing anything. A large share of 1.0's partner skills cap out at one Pal.

The game does say so; the hint is just buried in the parenthetical at the end of the skill text: "(Does not stack)". Laying out the partner-skill text for all 301 Pals and counting, 152 carry the tag — over half. The part most often misread is its scope: it governs one specific skill, not a category of effect.

It locks the skill name, not the effect description

Start with the side that does stack. Demon Eye's Demonic Sight and Hoocrates' Dark Knowledge read identically — +(15~30)% Attack for Dark Pals in party — and both carry the no-stack tag. But the skill names differ, and multiple players report that running both applies both. In other words, the tag says "do not apply this skill twice", not "you may only benefit from this kind of effect once".

Now the side that does not stack: a second copy of the same Pal is always wasted. Pupperai's Best Boy gives +(10~35)% player melee weapon damage, Loupmoon's Dark Gleam Strike gives +(15~30)% melee attack speed, and Cattiva's Cat Helper gives +(100~200) carrying capacity — all three carry the tag, so one of each is the ceiling.

Cattiva is the classic case: you catch a pile of them early on, and plenty of players just run three at once assuming carrying capacity keeps climbing. The extra two only occupy party slots. Get into the habit of checking skill names when you build the party and this waste stops happening.

The range in parentheses comes from partner skill level scaling, and Lv1 gives you the low end. Here is what misleads people: the Japanese client only shows the Lv1 figure (10%, 15%) and never the upper bound. Write a Pal off because you saw 10%, and you were judging on half the information.

The Two-Step Check

Step one: are the two skills moving the same number? Step two: does either description end with (Does not stack)? Only when both checks pass do you actually get both.

Take the standard farm pair: Lullu's Floral Boost raises crop growth rate by (50~70)%, Prunelia's Prayer for Abundant Harvest raises harvest yield by (18~35)%. One controls how fast things grow, the other how much a harvest gives — different numbers, and neither description carries the (Does not stack) tag. Put both at the base and they will not cancel each other out.

One line worth drawing: what the data proves is that neither description carries the tag. That is not the same as the game promising the two add up. No tag only means it was never stated that they do not stack. Plenty of posts collapse those two into one claim; the evidence does not reach that far.

The One Wording That Really Does Scale With Numbers

Elizabee's Queen Bee Command reads: "This Pal's Attack increases by (12~24)% for each Beegarde in party." That is not the same buff applied twice — the count is a variable inside the effect itself, so stacking Beegarde genuinely pays off.

Telling them apart is easy: look for "for each" or a count in the effect sentence. If it is there, numbers matter. If it is not, and the skill is tagged (Does not stack), one is the cap. Once that becomes habit, a glance at the description tells you whether a second copy is worth a slot.

Aside: Weapon Category Decides Whether Melee Buffs Apply

Once melee buffs come up, the next question follows: does the thing in your hands count as a melee weapon? Take the one people ask about most, the Terraprisma. The site's 1.0 item table files it under melee, the same category as the Terra Blade, Excalibur and Meowmere. Out of that whole collab set, only the Vortex Beater is filed as a rifle.

The category field is identical across all five rarity tiers, so rolling a legendary one does not change it. Which means Pupperai's melee damage and Loupmoon's melee attack speed both count while you are swinging a Terraprisma, and since they are different effects you can run both. It is the second copy of the same effect that does nothing.

Common mistakes

• Reading "(Does not stack)" as "this kind of effect only counts once" — it locks one skill, and players have tested that different skills on different species do apply separately.
• Running two or three Cattiva to stack carrying capacity — a second copy of the same skill does nothing.
• Writing a Pal off because the Japanese client shows 10% — that is the Lv1 value; the number climbs toward the upper bound as the partner skill levels.
• Assuming every buff gets stronger with more bodies — only the ones whose effect text counts individuals work that way.

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