Gaming Guide

The Builder Arcana Location in Castlevania: Belmont’s Curse

Rotate the Clock Tower cogs, drop through the Foundry Apex, and beat Talos to claim the Fist of Talos spell.

Rotate the Clock Tower cogs, drop through the Foundry Apex, and beat Talos to claim the Fist of Talos spell.

Image: KONAMI

The Builder is the Arcana sealed from Talos, won deep inside the Clock Tower of Castlevania: Belmont’s Curse. Claiming it adds the Fist of Talos spell to Rose’s deck and teaches the Smash skill, which lets her break destructible blocks from the air. Reaching it takes a cog puzzle, a ground smash, and a trap-filled descent to the boss arena.

Quick answer: In Clock Tower, rotate the cogs in the Eastern Access Shaft so all beams point vertically, smash through the floor, drop through the Foundry Apex, and defeat Talos. Absorb the orb it drops to unlock The Builder.


Where The Builder Arcana is found

The Builder sits at the bottom of the Clock Tower, in the district tied to Talos. You enter from the Eastern Access Shaft, work downward through the gear machinery, then pass through the Foundry Apex to the chained boss at the very bottom. Rose only receives the card after Talos is defeated, so there is no shortcut around the fight.

DetailValue
ArcanaThe Builder
CharacterTalos
SpellFist of Talos
Skill taughtSmash
AreaClock Tower

Solve the cog puzzle in the Eastern Access Shaft

Travel to the Clock Tower and open your map to confirm you are in the Eastern Access Shaft. This is the vertical section that holds the puzzle blocking the path down.
Map Overview: Step 100:08Map Overview: Step 1
The map confirms you are in the Eastern Access Shaft, where the cog puzzle begins. Shown at 00:08 in 100% Guides’s video. Image: KONAMI
Manipulate the rotating gear cogs in the shaft so that all of the beams line up vertically. Aligning them this way opens the path straight down through the center of the shaft.
Cog Puzzle Alignment00:23Cog Puzzle Alignment
Turn the gears until the beams sit vertically to clear the drop below. Shown at 00:23 in 100% Guides’s video. Image: KONAMI
With the beams vertical, perform a ground smash on the cracked floor to break through it and descend into the lower shaft.
Ground Smash Descent00:26Ground Smash Descent
Smashing through the cracked platform drops you deeper into the gear shaft. Shown at 00:26 in 100% Guides’s video. Image: KONAMI
Continue downward past the remaining gears, spikes, and enemies. Work through the red-lit chambers and the save statues until you reach the entrance to the Foundry Apex.

Descend through the Foundry Apex to Talos

Inside the Foundry Apex, touch the Mirror of Life checkpoint before pushing on. This sets your respawn point right before the trap run and the boss, so a death does not send you back through the shaft.
Mirror of Life Room01:28Mirror of Life Room
Activate the Mirror of Life so your checkpoint sits just before Talos. Shown at 01:28 in 100% Guides’s video. Image: KONAMI
Descend the open route through the Foundry Apex. Keep sprinting between hazards: dodge descending crusher blocks, get past chain barriers, and cross rooms filled with molten hazards without stopping.
Foundry Apex Traps01:48Foundry Apex Traps
The Foundry Apex run threads past crushers, chains, and molten floors. Shown at 01:48 in 100% Guides’s video. Image: KONAMI
Enter the arena at the bottom, where Talos stands bound by chains. It breaks free as the fight starts. Learn its tells, stay out of its heavy swings, and bring it down until it collapses.
Talos Arena Entrance02:07Talos Arena Entrance
Talos waits chained at the bottom of the Foundry Apex before the fight. Shown at 02:07 in 100% Guides’s video. Image: KONAMI
After Talos falls, a golden orb is left behind. Walk into it to absorb it, which seals the boss into The Builder Arcana and adds it to Rose’s deck.

Confirm you unlocked The Builder

Two things confirm the unlock. Defeating Talos pops the Talos Aversion notification, and absorbing the orb brings up the card reveal screen for The Builder along with the Fist of Talos spell details. Once that screen appears, the Arcana is yours and can be equipped from the inventory.

On the reveal screen, hold the equip input to slot Fist of Talos straight away, or press the spell-preview input first to read its full effect before committing.


What Fist of Talos and the Smash skill do

Fist of Talos slams a massive fist into the ground, hitting enemies underneath for heavy damage while dealing much less to those farther away. The impact also sends out a minor quake that jolts enemies over a broad area and may knock them from their platforms. Casting the spell costs 50 mana.

The Builder also teaches Rose the Smash skill. With it, pressing down and the jump button while airborne lets her break destructible blocks, opening routes that were sealed before. That traversal use makes the card worth picking up even beyond its combat damage.