Solium Infernum isn’t just a 4X strategy game — it’s a ritual of cunning ambition, played out in the heart of Hell itself. A modern remake of a 2009 cult classic, this game challenges you not only to outmaneuver your foes but to do so within a deeply intricate system of politics, combat, and tactical prioritization. With eight Archfiends to choose from, asynchronous and synchronous multiplayer options, and a heavy focus on order management, Solium Infernum offers strategic depth that can catch even experienced players off guard. If you’ve completed the tutorial and still feel overwhelmed, these nine detailed strategies will help you hold your own, whether facing AI or plotting against friends.
1. Understand the Turn Order — And Exploit It
One of the most deceptively unique mechanics in Solium Infernum is its shared turn structure and rotating regency. Each player takes turns simultaneously, but within that structure, orders resolve in sequence based on the Regent’s position. The Regent always resolves their first order first, then the rest follow clockwise. Once every player has resolved their first order, it cycles back to the Regent for the second, and so on.
This means you must remain acutely aware of not just what you’re doing but when your orders resolve in relation to your opponents’. Combat orders especially can go terribly wrong if you’re not first in the sequence. An enemy moving into your unit’s path ahead of you can stall your maneuver, and missing an opportunity to strike first can mean the difference between wiping out a foe and being routed. Pay attention every turn to who holds the regency and use your order slots accordingly.
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2. Master the Three Phases of Combat
Combat in Solium Infernum is brutally mathematical and structured in three phases: ranged, melee, and infernal. Each unit has individual stats for all three, and damage is calculated by simply subtracting the opponent’s value in that phase from yours.
The twist lies in the sequence — if your unit can kill the enemy before they reach their strongest phase, they’ll never unleash their full potential. A unit with massive infernal damage might never get to act if their ranged and melee stats are lacking. But this isn’t the full picture. Some units, artifacts, and preators have modifiers that rearrange phase order or apply special effects, such as repeating the ranged phase after infernal.
If you don’t plan for these manipulations — either yours or the enemy’s — you’ll find your “sure win” turn into a crushing loss. Always scout unit abilities and factor in who will act first and in what sequence.
3. Prior Means Power — Move Early, Gain More
Timing is everything in Hell. Securing key objectives early — like Places of Power — yields compounding returns. These structures grant Prestige per turn, so claiming a +2 point location even five turns sooner nets you ten extra Prestige before your rival can lay a finger on it. That early lead stacks up fast.
Moreover, the longer you hold a Place of Power, the harder it becomes for opponents to legally challenge you for it. War declarations are bound by insult-vendetta rituals, so if you’re fast, you can entrench yourself before opposition even has the diplomatic means to respond. This principle extends to upgrading your Archfiend. Reaching higher ranks faster means unlocking additional order slots earlier — which multiplies your capacity to act. The earlier you gain momentum, the harder it becomes for enemies to catch up.
4. Buy a Preator Early — Duel and Dominate
Preators are essential for both military and diplomatic supremacy. These elite heroes can be purchased from the bazaar and assigned to your units or holdings to boost stats and unlock special abilities. But perhaps more importantly, they’re your champions in the arena.
When an insult or demand is made, and a vendetta is on the line, a preator duel can decide the outcome — sometimes before a real war begins. If your enemy doesn’t yet have a preator, they forfeit by default. That’s a free Prestige win for you. Even when they do have one, winning the duel allows you to sidestep costly vendettas and maintain board control.
Preators are often the difference between early vulnerability and solid control of your narrative. If you get one early and position them right, you can carve out a secure lead without needing to spill too much blood.
5. Heal Up Next to Power — It’s Subtle But Vital
Units in Solium Infernum heal over time when positioned adjacent to Places of Power. This isn’t always obvious, but it’s a crucial trick to sustain your forces, especially once offensive spells and covert actions begin to erode your health pools.
Some powers, perks, or spell levels improve this passive healing, and certain spell effects can be used to boost recovery directly. Positioning your troops wisely can turn the tide over long campaigns — not just yours, but your enemies’ as well. When calculating how much damage to deal, account for the likely healing they’ll receive before your next attack resolves. Missing a kill because of one point of unexpected healing can ruin a careful operation.
6. Seek Tribute Early — And Do It in Slot One
Managing resources is critical in Solium Infernum, and that means mastering the tribute system. Tribute, essentially your economy, comes in four currencies, each used for different upgrades, unit bids, and power progressions.
When you choose to “seek tribute” as an order, the slot you place it in matters. The first order slot yields significantly more than the second or third. If you’re not actively maneuvering or attacking, use your first order to seek tribute and maximize your returns. This kind of small efficiency compounds heavily over the course of a match.
7. Don’t Forget to Play Event Cards
You’ll accumulate event cards during your campaign — some from rituals, others from developments — but many players forget to use them. They sit silently in your inventory, easily overlooked.
These cards can change the game: closing the bazaar, promoting a unit, or altering turn order. They must be actively played using an order slot, so don’t let them gather dust. Especially in tight games, a single well-timed event can flip the board.
8. Prioritize Ruthlessly — You Can’t Do Everything
Solium Infernum limits your actions each turn through order slots, and even when upgraded to three or more, the game is tight. You can’t cast every spell, move every unit, make every bid, and level every trait. You must choose.
This harsh restriction forces you to commit to a strategy. Will you focus on military conquest, diplomatic manipulation, or political Prestige? Each turn, ask yourself what truly serves your long-term goal and execute that. Flailing around wastes precious turns.
Strategic focus and order slot discipline are the real determinants of long-term success. Your enemy can do fewer things per turn than you think — but so can you. Make each action count.
9. Prepare for Chaos — It Will Happen
Even the best plans fall apart in Hell. Expect it.
Random events, hidden player moves, and secret Prestige plots can throw a wrench in the most carefully calculated plans. Units die unexpectedly. Monsters spawn. Vendettas come out of nowhere. Your unit could get assassinated and you won’t even know who did it.
Solium Infernum doesn’t reward players who cling to perfection — it rewards those who adapt. Prepare mentally to shift focus, sacrifice plans, and reroute your strategy at a moment’s notice. That mental flexibility will keep you one step ahead when the unpredictable hits.
Final Thoughts
These nine tips are only the beginning. Solium Infernum is a beautifully twisted take on 4X gameplay, where strategic precision meets demonic politics in a volatile blend. Mastering the basics of turn order, resource management, and combat is essential — but so is embracing the unpredictability and crafting a story worthy of the throne of Hell.
Keep your eyes on the Prestige counter, plan ahead, and strike hard. In Solium Infernum, only one Archfiend can claim the throne — and now, you’re ready to fight for it.
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