Quick answer: how do you beat the Code Veronica final boss?
The safest way to beat the Resident Evil Code Veronica final boss is to treat Alexia as a resource and positioning test, not a single damage race. Enter the room with a dependable heavy weapon, enough healing to survive a mistake, and a save you can reload if the first attempt reveals a weak inventory. Keep moving around the open lanes, focus on Alexia instead of chasing every parasite, and expect the encounter to change after the first form falls.
Classic Code: Veronica X presents the endgame as a sequence of escalating forms. The first stage rewards controlled heavy ammunition and distance. The next stage adds more area pressure, so a clear route matters more than standing still to finish one extra shot. The final airborne stage gives you a Linear Launcher. Pick it up immediately, aim deliberately, and wait for a clean line before firing. A single missed launcher shot can cost time, but panic movement is usually the larger danger.
This page is deliberately separate from the broad bosses guide, the Nosferatu page, and the story explanation. It answers the player who is already at Alexia and needs a phase plan, resource checklist, and recovery rule. It covers the classic release only; room layout, damage values, checkpoints, and weapon balance for the Resident Evil Veronica remake should be confirmed through official Capcom or storefront material when those details are published.