Psionic Vortex: How Far Can Magical Damage Scale?

Psionic Vortex arrives with one number that immediately stands out: 30% increased Magical Damage per stack at Level 8, stacking up to five times.

That means a theoretical 150% Magical Damage increase.

But reaching the ceiling and actually making use of it are two different things. Psionic Vortex gains stacks when its carrier loses 10% HP or when an Ultimate Skill is cast, making timing, survivability and battle length just as important as the number itself.

This article looks at how Psionic Vortex works, how quickly it can build, which Immortals may benefit from it, and where its limitations begin.

Table of Contents

1. Introduction
2. What Psionic Vortex Actually Does
3. From 30% to 150%: Understanding the Five Stacks
4. Two Ways to Build Momentum
5. Who Could Use Psionic Vortex?
6. Synergies and Possible Builds
7. Limits Behind the Big Number
8. Maël’s Final Opinion

I particularly like “Two Ways to Build Momentum” because that's really the identity of the skill. Unlike a simple damage amplifier, Psionic Vortex can progress through taking damage or Ultimate casts. That gives us something genuinely interesting to explore rather than writing eight sections about “+30% Magical Damage.”

1. Introduction

Legendary Tower of Knowledge skills tend to arrive with a clear purpose. Some protect against a specific source of damage, others reinforce a particular formation or combat mechanic. Psionic Vortex takes a more direct approach: the longer its carrier builds momentum, the more Magical Damage it can produce.

At Level 8, each stack increases Magical Damage by 30%, with up to five stacks available. On paper, that creates a theoretical ceiling of 150% increased Magical Damage. It is a number that immediately makes the skill difficult to ignore.

But Psionic Vortex isn't giving you 150% from the start of the battle. Those stacks have to be earned. The equipped Immortal gains them whenever they lose 10% HP or whenever an Ultimate Skill is cast, creating two different paths toward the same damage increase.

That makes the real question much more interesting than the maximum number itself.

How quickly can five stacks actually be reached? Which Immortals can generate them naturally? And once Psionic Vortex reaches its highest levels, how much of the battle is left to benefit from them?

This is where we'll start.

Maël’s Opinion: 150% is the number everyone will notice, but I wouldn't judge Psionic Vortex from its ceiling alone. What interests me is the journey from the first stack to the fifth. If that happens naturally and early enough, this could become a serious Magical Damage option. If it takes most of the battle to get there, the story changes completely.

2. What Psionic Vortex Actually Does

Psionic Vortex is a Passive Legendary Tower of Knowledge skill with a position restriction. Its mechanic is simple: whenever the equipped Immortal loses 10% of their HP or an Ultimate Skill is cast, Psionic Vortex gains a stack that increases the carrier’s Magical Damage.

At Level 8, that increase reaches 30% Magical Damage per stack. The effect can accumulate up to five times, meaning the skill can theoretically provide 30%, 60%, 90%, 120%, and finally 150% increased Magical Damage as the battle progresses.

The important detail is that Psionic Vortex increases Magical Damage, not simply Ultimate Skill damage. Once stacks are active, the amplification therefore applies more broadly to the carrier’s magical output rather than being tied exclusively to the Ultimate that helped generate a stack.

This also makes Psionic Vortex fundamentally different from an immediate damage skill. It starts with no amplification and becomes progressively stronger as its conditions are triggered. Its value is therefore tied not only to the carrier’s damage potential, but also to how quickly that Immortal can move through those five stages.

Maël’s Opinion: The mechanic is surprisingly clean. You build stacks, and your Magical Damage grows with them. What makes Psionic Vortex interesting is that 30% already matters before reaching the maximum. We shouldn't look at this as a skill that only becomes useful at 150%; the progression toward that ceiling is part of its value.

3. From 30% to 150%: Understanding the Five Stacks

The headline number is obviously 150% increased Magical Damage, but Psionic Vortex should probably be viewed as a progression rather than a destination.

At Level 8, the first stack already provides 30%. A second takes the bonus to 60%, while the third reaches 90%. By the fourth stack, the carrier sits at 120%, before eventually reaching the theoretical maximum of 150% with all five stacks active.

That distinction matters. A carrier does not necessarily need to reach five stacks for Psionic Vortex to have an impact. Even two or three triggers already represent a significant increase in Magical Damage.

The real variable is therefore time. Reaching 150% very early in a battle would be completely different from reaching it near the end. Psionic Vortex may ultimately be judged less by its maximum value than by how quickly different Immortals can climb through those five stages.

And this is where its two triggering conditions become particularly important.

Maël’s Opinion: I wouldn't build around the assumption that Psionic Vortex equals +150% Magical Damage. That's the ceiling, not the starting point. What I want to see in testing is how quickly we can consistently reach 60%, 90% or 120%. If those intermediate levels arrive early, the skill may already be doing its job long before the fifth stack.

4. Two Ways to Build Momentum

Psionic Vortex can gain stacks through two different triggers, and that is probably the most interesting part of the skill.

The first comes from taking damage. Whenever the carrier's HP decreases by 10%, Psionic Vortex can progress. This gives the skill a natural relationship with Immortals that are exposed to pressure but durable enough to survive it. Losing health is no longer only a negative event; it also contributes toward stronger Magical Damage.

The second trigger comes from Ultimate Skill casts. This creates a very different route to the same result. Immortals capable of reaching their Ultimate quickly or casting repeatedly during longer battles may build Psionic Vortex without needing to rely entirely on incoming damage.

More importantly, the two conditions exist together. A battle does not have to follow only one path. The carrier can lose HP, gain a stack, cast an Ultimate, gain another, then continue progressing as the fight develops.

That interaction is what could make Psionic Vortex accelerate much faster in practice than the five-stack maximum initially suggests. Exactly how the two triggers behave in real battles, however, is something that will need testing once the skill is available.

Maël’s Opinion: This is the part of Psionic Vortex I find most interesting. If stacks only came from losing HP, the skill would be much more situational. If they only came from Ultimates, it would mostly reward fast energy cycles. Having both gives the skill two engines working toward the same objective. The big question is how efficiently they can work together. That will probably determine which Immortals really unlock Psionic Vortex rather than simply benefiting from it.

5. Who Could Use Psionic Vortex?

The obvious candidates are Magical Damage dealers. The skill directly amplifies Magical Damage, so Immortals whose output already comes primarily from magical sources should naturally receive the greatest benefit. From there, the question becomes how efficiently each candidate can generate stacks.

An Immortal with fast Ultimate cycles could build Psionic Vortex through repeated casts. A more durable magical Immortal exposed to regular damage could progress through HP loss. The most interesting candidates may ultimately be those capable of doing both: surviving enough pressure to trigger the HP condition while continuing to cast Ultimates throughout the fight.

This also means the best carrier may not necessarily be the Immortal with the highest starting Magical Attack. Psionic Vortex rewards uptime and stack generation. A slightly less explosive Immortal capable of reaching three, four or five stacks consistently could potentially make better use of it than a fragile damage dealer who disappears before the skill develops.

For now, though, this remains theorycrafting. We need actual battles before declaring which Immortals should carry it.

Maël’s Opinion: My first instinct is not to ask “Who deals the most Magical Damage?” but “Who can build Psionic Vortex the fastest and stay alive long enough to use it?”

That's an important difference. The ideal carrier should probably combine Magical Damage, reliable Ultimate cycles and enough survivability to let the skill scale. Once we can test it, I expect the first thing I'll be watching is how many stacks each candidate reaches, and at what point in the battle.

6. Synergies and Possible Builds

Psionic Vortex does not need an entire formation built around it. Its main requirement is simply giving the carrier enough time and opportunities to accumulate stacks.

That naturally creates potential synergy with energy generation and survivability. Faster Ultimate cycles provide another route toward stacks, while healing, shields and damage mitigation can help the carrier survive the HP loss that may also be contributing to the skill's progression.

There is an interesting balance here. Psionic Vortex wants its carrier to take some damage, but it also needs that Immortal to remain alive long enough to benefit from the Magical Damage gained in return. Too little pressure could slow one of its triggers. Too much pressure could kill the carrier before the scaling matters.

So rather than searching for one mandatory companion skill, Psionic Vortex may fit best into builds that already combine Magic Damage, energy and sustain.

Maël’s Opinion: Psionic Vortex already brings substantial damage scaling on its own, but that doesn't mean we shouldn't amplify it further. Skills like Energy Mastery, Corrosive Power or Infinite Firepower can help generate more energy, cast more frequently and add another layer of damage on top of Psionic Vortex's growing bonus. Heart of Arcana can push that Magical Damage even further when carried elsewhere in the formation.

These are only a few combinations that stand out to me. Plenty of other skills could work depending on the Immortal and the team around it. Psionic Vortex isn't about one mandatory build it's about finding the right way to build stacks quickly and make those stacks hit harder.

7. Limits Behind the Big Number

150% increased Magical Damage is an impressive ceiling, but it comes with conditions.

Psionic Vortex starts without that bonus. The carrier needs to generate five stacks, and every second spent building them reduces the amount of battle fought at maximum power. In shorter fights, the fifth stack may simply arrive too late to matter.

There is also a natural trade-off in the HP trigger. Taking damage helps build Psionic Vortex, but losing too much HP too quickly can remove the carrier before those stacks become useful. The skill needs pressure, but it also needs survival.

And this is where Horus almost looks designed for Psionic Vortex. His exceptionally high base Energy Regeneration around 153 gives him the potential to cast frequently, while Royal Sarcophagus limits the amount of HP he can lose from a single instance of damage. He can therefore attack the stacking mechanic from both sides: lose HP without being deleted by one massive hit, and generate additional stacks through Ultimate casts.

For other Immortals, reaching five stacks early enough may be the limitation. With Horus, the more interesting question might be whether that limitation really exists.

Maël’s Opinion: Don't automatically read Psionic Vortex as a permanent +150% Magical Damage skill. That's its maximum potential, and for most carriers the questions remain: how quickly can they reach five stacks, and can they survive long enough to exploit them?

Horus may be the exception. His combination of very high Energy Regeneration and Royal Sarcophagus looks almost tailor-made for what Psionic Vortex asks from its carrier.

And that leaves me with a different question than when I first read the skill:

Are we really looking for the limits of Psionic Vortex or could this simply be one of the strongest Legendary skills we've received in a long time?

8. Maël’s Final Opinion

Psionic Vortex is the kind of Legendary skill that immediately attracts attention because of its ceiling. 30% increased Magical Damage per stack and up to five stacks gives us a theoretical 150% increase at Level 8.

But after looking deeper into the skill, I don't think the 150% alone is what makes Psionic Vortex so interesting.

It is the way you get there.

Losing HP and casting Ultimates can both generate stacks, and those two paths can work together during the same battle. The right carrier doesn't necessarily have to wait for five separate Ultimate cycles or sacrifice most of their HP to reach the maximum. Both mechanics contribute toward the same progression.

And Horus gives us perhaps the clearest example of what that could look like. His very high Energy Regeneration encourages frequent Ultimate casts, while Royal Sarcophagus gives him the survivability to absorb repeated HP losses. Add the possibility of amplifying his already-growing Magical Damage through the rest of the build, and Psionic Vortex starts looking less like a skill chasing an unrealistic ceiling and more like one with several ways to reach it.

Maël’s Opinion: I started this article looking at 150% Magical Damage as the theoretical maximum and wondering how realistic it would actually be. I'm finishing it slightly more optimistic.

Even three stacks already mean +90% Magical Damage, which is substantial. But with the right Immortal and Horus looks almost tailor-made for it five stacks are not as unrealistic as they first appear.

There are still questions that only testing can answer: how quickly stacks accumulate in real battles, which interactions prove most reliable, and whether another Legendary skill ultimately provides more value in the same slot.

But on paper? Psionic Vortex may be one of the most exciting Legendary skills we've received in a long time.

Maybe the question isn't whether the vortex can reach 150%. Maybe it's how quickly we can make it spin.

A Quick Note

Legendary skills come at a cost. Psionic Vortex won't be accessible or worth chasing for everyone, especially F2P and lower spenders. As always, consider your own account and budget before investing.

What do you think? Is Psionic Vortex worth the investment, and who would you equip it on?

Let me know your thoughts and your first results if you've already tested it.

For more insights, check out my previous articles here.

download Infinity Kingdom now and script your legend.

Until next time — Maël, Press Officer

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