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Titan Quest All About Pet Damage by Violos


Medea Fleecestealer:
Pets and traps are fun, but builds relying on them don’t seem to see as much action as one would expect with the potential they have. One reason for this may be that people just don’t know a lot about them… and some things are still not known for sure.
Therefore I would like to create here, with your help,
A definitive collection of proven knowledge about how pets and traps work.
– especially how their damage is calculated. This includes what bonuses affect them and how those, in turn, are affected by things like difficulty balance modifiers.
For general info, there are other threads already in existence:
A “complete pet guide” with similar intention had been started though it turned more into a discussion about builds. There have been numerous threads featuring pets in general, as well as specific guides like Tyr’s work about the Nature mastery, to which I once added some thoughts on how to use different pet damage types effectively.
The life scaling and resistance bonuses throughout the difficulties has been stated by Apocalypse80 [and confirmed].
When it comes to damage, however, the opinions often [used to] differ, as do the tests.
So this is to be [and has been] clarified. Any additions are welcome.
Known facts
The only actors affected by pet gear and other pet-specific bonuses (Master Mind aura) are actual pets – permanent and temporary – that were summoned by player skills. (Herafter referred to as “pets”).
Artifact summons, scroll summons, converted monsters and also traps are instead regarded as allies (like other players). They can be boosted by general buffs/auras, but not the pet-specific effects. Briars do not benefit from anything, since they are mere “barriers”. The Monster Lure is classified as a pet.
Flat damage bonuses from pet gear affect hand or weapon attacks only. This includes the Wisp’s electric touch. The Lich and Nightmare throw ranged spells instead, so they do not get any use out of them – except for rare cases when they decide to punch an enemy which is already in melee range. The Nymph’s arrows used to be unaffected in spite of being a weaon attack, but this is fixed in the Fanpatch.
Trap bolts, too, are able to carry flat damage bonuses. And while traps, as said, are not affected by pet gear in the standard game, this can make other buffs (e.g. Battle Standard) rather interesting.
Relative % bonuses from pet gear and auras, as always, work on ALL fitting damage types caused by the boosted creature in any way.
Likewise, pet intelligence does increase all associated damage types (vitality, lightning, fire, ice and burns), including those granted by gear. Str would increase their weapon damage, but since no standard pet uses a real weapon they at least do not benefit from it.
Pets and Traps receive difficulty level damage bonuses to all damage types (+75%/+150% in epic/leg, except pierce damage and DOT which get +60%/+110%). Those are added to any other % increases (whose relative benefit therefore becomes less with increasing difficulty).
Ironically, traps get lower difficulty bonuses to piercing damage than pets (+30%/+60%, barely compensating monster resistance increases), but higher physical ones (+100%/+200%) – because they scale like monsters.
Both pets and traps receive difficulty increases to resistances, health and AO/DA (see Poinas’ answer below). An interesting result of this is that the boost of up to +400 base health makes even level 1 pets rather sturdy later on, while the free +500% dwarf other % health increases (like Heart of Oak) in comparison.
Melee pets are subject to the usuual OA/DA effects and can inflict critical hits, which further increase all damage.
A bug: Pets don’t use pet skills above maximum level. Not even passive ones! This has been worked around in the fanpatch by raising the max level to the ultimate level, which means you can now spend real points up to the former max+4 value, but not apply any +skills to go higher than that.
The flat +pierce damage from the Blade Honing aura does not work on pets or traps like it does on allies, probably because the entire buff requires a weapon.
Practical Example
If you wear this “physical” petmaster ring…

70 physical damage is added to all melee attacks, and Nymph arrows since v1.17.
Those get increased by any +%physical the pets may receive (including difficulty bonuses).
All physical damage inflicted by pets is raised by additional 12%.
This also affects the 70 that were just added.
All pets get 40 armor, so they receive 40*0.66=27 less physical damage per hit.
This becomes less useful vs epic and legendary monsters.
All pets get 100 extra base health.
This becomes much more later on due to the large difficulty multipliers for health.
Build Example:
If a Champion is wearing three pieces of “Ritualist” jewelry (+210, +36%)
with Wolves that have max+4 Survival Instinct (+110%)
and max+4 strength of the pack (+90%)
and there is an active Battle Standard nearby (+274)
while playing in legendary (+150%)
then the wolves will inflict
(100+36+110+90+150)% = 486% of their natural damage
(210+274)*4.86 = 2352 additional damage on every hit.
This value could go above 2700 with a fourth Ritualist item (a staff) – It’s just that with all the physical bonuses around, Champions usually prefer a melee weapon.
Open questions
How exactly are the bonuses included in critical hits?
This should work like it does on every other creature, meaning that the total damage output recieves an additional multiplier depending on how much higher the OA is over the enemy DA.
The only thing that would need to be cinfirmed is whether pets crit at all, especially when not carrying a melee weapon.
Extra Info by Poinas
Pets get the following boosts in epic/legendary:
+45/90% physical, elemental, vitality, poison
+30/50% pierce
+30/50% to damage over time effects
^Those do not appy to traps
They also get, in epic/legendary:
+30/60% to basically all damage types
A lvl 16 wolf does 27-49 base damage. This translates to
27*(1+0,6+0,9)*(1+(150/500))+150*0,04 = 94
49*……………………………………….. …………= 165 damage in legendary.
If you get flat damage bonus for your pet, it is modified by the difficulty bonuses, not by str.
+x% bonuses are additive with difficulty bonuses.
Pets get the following stat boosts in epic/legendary:
~+200/400 health
~+200%/500% health
~+100%/200% mana
A bit of run- and attack speed
+350/580 OA
+350/600 DA
Pets get boosted by Art of the Hunt but not Blade Honing.



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