Portal Dungeon - Update v0.988682

Bug fixes and updates

Update the projectile management mechanism to reduce the delay caused by a large number of projectiles when playing multiplayer.
Update the trigger method of the item [Monster Heart]: Now after death, it will be automatically revived after 3 seconds.
Now after defeating the boss of the first level, there will be a platform where you can jump to the upper level.
Adjusted the character's skill duration.
Fixed the low health effect remaining on the screen after leaving the mecha.
Fixed the problem that after the mecha exploded, it would become invisible when summoned again.
Fixed the problem that it is possible to return to the village in a mech.
Fix variant 3 of engineer skill 3, can trigger excessive amount of props [Slime Egg].
Fix ninja skill 4, an error caused by multiple uses.