Castlevania: Belmont's Curse Guide | How to Beat Isaac

Here’s a guide on how to beat Isaac in Castlevania: Belmont's Curse.

Game Guide by Ragib Rawnak on Oct 20, 2026

Isaac's attacks hit exceptionally hard, easily draining half your health bar in a single blow. If you stand right in front of him. But by controlling the spacing, flanking, and hitting him at mid-range, you can take Isaac down easily in Castlevania: Belmont's Curse.

Castlevania: Belmont's Curse Recommended Loadout & Build

Recommended Loadout & Build

Starting the Boss fight with Isaac using the right gear significantly makes the fight easier. Equip your standard Whip as your primary weapon. The narrow layout of the bridge keeps Isaac lined up horizontally, allowing you to land tip-range strikes consistently.

Use Holy Cross as your sub-weapon. It has a flight path and multi-hit properties, so it is a reliable source of burst damage along the straight path of the bridge.

Finally, use Twilight Gem to increase your total damage and chew through his HP before you have no more healing items in Castlevania: Belmont’s Curse.

Slipping Past the Heavy Sweep

Isaac frequently winds up a devastating frontal sweep that covers massive horizontal ground. Taking this head-on will easily strip half your life.

Whenever you see him begin this forward wind-up, do not jump backward or block. Instead, dodge roll forward directly through his body to end up on his backside in Castlevania: Belmont's Curse.

Staying behind his back is your safest position during the ground phase. Once behind him, immediately unleash whip strikes and throw the Holy Cross down the lane. Keep an eye on his turns, and if he pivots, prepare to slip behind him again.

Countering the High-Damage Aerial Attack

When Isaac winds up his ultimate ground-clearing attack, staying on the bridge floor is lethal. Instead of retreating, jump straight up toward him and use your whip to grapple directly onto him.

Grappling suspends you safely in the air, completely avoiding the blast zone below while putting you in position to counterattack the moment he descends in Castlevania: Belmont's Curse.

Wall Jumps and Arena Mobility

If you find yourself cornered against the edges of the bridge, use the side walls. Wall jump to quickly reset your position, jump over incoming attacks, and drop back behind him.

Keep an eye on your healing items during the fight. Stay in mid - range to hit with your whip attacks. Repeat the dodge and grapple pattern until Isaac is defeated.

Castlevania: Belmont's Curse Slipping Past the Heavy Sweep