Every roguelike has that one build — the one that feels so absurdly overpowered you can’t help but laugh your way through an entire run. In Absolum, Karl’s Unlimited Skeleton Army + Auto-Projectile setup fits that exact description. It’s chaotic, relentless, and, when played right, turns the screen into a blur of bullets and undead soldiers. What starts as a modest synergy quickly spirals into something unhinged — a storm of skeletons and projectiles that barely gives enemies time to exist.
This Absolum Build Guide thrives on one idea: infinite momentum. Every attack fuels another, and every cast doubles down on both summons and firepower. You don’t just fight your way through waves — you erase them.
Karl’s kit in Absolum makes him naturally suited for hybrid play — he can pivot between projectile-heavy offense and ritual-based summoning with minimal trade-off. The goal of this setup is to merge both into a single loop, where Arcana usage continuously spawns skeletons and auto-aiming projectiles without downtime.
To make that loop sustainable, three pillars define the build:
- Arcana Spam — You’ll cast nearly nonstop, which means managing cooldowns is everything.
- Skeleton Scaling — The more skeletons you can maintain at once, the stronger the frontline becomes.
- Projectile Synergy — Every Arcana use also floods the screen with shells, covering gaps and amplifying DPS.
When all three connect, Karl effectively becomes a one-man army commander — his screen presence alone ends encounters.
Step-by-Step Build Breakdown
1. Core Rituals
Skeletal Arcana: This is the build’s backbone. Every time you trigger an Arcana, it spawns skeletons, meaning your offensive rotation doubles as a summoning engine. Without this ritual, the entire loop collapses.
Skeletal Clash: Amplifies your skeletons’ output. The buff makes them hit harder and survive longer, scaling beautifully into later stages when enemies start stacking health and resistances.
Together, these two rituals turn Karl’s Arcana spam into a self-replicating army that doesn’t need micromanagement.
2. Inspirations
Infused Shells: This is where the ranged insanity begins. Every Arcana cast automatically fires homing projectiles, creating a secondary layer of damage independent of your skeletons. It’s essentially free DPS for doing what you’d already be doing.
Reload: The keystone that keeps the machine running. Reduces downtime between casts, allowing you to chain Arcana activations with near-permanent uptime. Without Reload, the combo slows to a crawl.
3. Arcana Choice
Firestorm Bullet: Among Karl’s options, Firestorm Bullet fits best with the build’s tempo. It saturates the screen with projectiles, benefiting from Infused Shells and synergizing with Reload’s rapid resets. The overlapping streams of bullets and skeleton attacks make it almost impossible for mobs to break through.
You can experiment with other Arcana, but Firestorm’s hit density and ease of use make it the go-to choice for anyone chasing high-clear efficiency.
Momentum Over Micromanagement: The build rewards flow, not control. You’re not supposed to track every skeleton or bullet — instead, keep your Arcana rotation alive and let the synergy do the rest.
Position Smartly: While the projectiles and skeletons handle most threats, Karl himself is still vulnerable to corner traps. Stay central when possible so your summons can intercept incoming enemies.
Scaling Power Curve: Early game might feel tame until both Rituals are online. Once Reload joins the mix, the difference is immediate — your DPS curve skyrockets.
Performance Warning: On lower-end systems, expect frame dips. Between the skeleton spawns and projectile spam, the build can fill the entire combat space within seconds.
Karl’s Unlimited Skeleton and Auto-Projectile build isn’t just powerful — it’s pure chaos distilled into gameplay form. It’s the kind of setup that captures Absolum’s essence: unpredictable, explosive, and absurdly satisfying. Once it comes online, the run stops being a survival test and becomes a display of carnage.