Mega Man: The Wily Wars (2021 Ver.): Part 22: MM2 Wily Stage 4
4This is by far the most annoying Wily stage in the game. Several floors you go through during your climb upwards have holes in them that you won't be able to see until Mega Man falls through them. You'll have to memorize where they are, as some of them will drop Rock into spikes.
When you're going downward, you ride on platforms to follow a set path, but you need to know when you make Mega Man jump off of them and back onto them to reach lower floors.
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The boss of this stage is the more annoying part of this stage: The Boobeam Trap!
The ONLY weapon that can damage the turrets of this trap is the Crash Bomber. Make sure that weapons' energy is full, because you may have to use every shot of it to get to the turrets. Some of them are blocked by walls that are ALSO only weak against the Crash Bomber, though at least one of them won't need it.
Just watch how I take this boss down and follow my example. If you don't have enough Crash Bomber energy, you'll have to fight the Sniper Joes before this room and hope they randomly drop energy for it.
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Watch me deal with this annoying Boobeam Trap in the NES version, here!:
https://youtu.be/Y1zgW1hfbnQ