New Bossfight System (STORY GAME)

local TweenService = game:GetService("TweenService")

local BossMonster = game.Workspace.EvilSungmin --- Change by your BossNPC

local function playMonsterAnimation()
    local animation = Instance.new("Animation",BossMonster)
    animation.AnimationId = "https://roblox.com/assets/?id=1083195517"

    local humanoid = BossMonster:FindFirstChild("Humanoid")
    humanoid:LoadAnimation(animation):Play()

    wait(1)

    animation:Destroy()
end

local function playMonsterAttackAnimation()
    local animation = Instance.new("Animation",BossMonster)
    animation.AnimationId = "https://roblox.com/assets/?id=115300646506302"

    local humanoid = BossMonster:FindFirstChild("Humanoid")
    humanoid:LoadAnimation(animation):Play()

    wait(1)

    animation:Destroy()
end

local function FireballChallenge()
    for i=1,3 do

        playMonsterAnimation()

        playMonsterAttackAnimation()

        for i,player in pairs(game.Players:GetPlayers()) do
            if player.Character then
                local fireball = game.ReplicatedStorage.Fireball:Clone()
                local target = game.ReplicatedStorage.Target:Clone()


                target.Parent = game.Workspace
                target.CFrame = (player.Character.HumanoidRootPart.CFrame - Vector3.new(0,3,0)) * CFrame.Angles(0,0,math.rad(90))

                wait(0.5)

                fireball.Parent = game.Workspace
                fireball.CFrame = target.CFrame + Vector3.new(0,60,0)

                wait(2)

                target:Destroy()
            end
        end

        wait(1)
    end
end

local function LavaChallange()

    local tweenInfo = TweenInfo.new(2)

    local Plataforms = game.ReplicatedStorage.PlataformsModel:Clone()
    Plataforms.Parent = workspace

    wait(2)

    local goalLavaUp = {}
    goalLavaUp.CFrame = workspace.Lava.goalPositionPart.CFrame
    local moveLavaUpTween = TweenService:Create(workspace.Lava.Handle, tweenInfo, goalLavaUp)

    moveLavaUpTween:Play()

    wait(7)

    local goalLavaDown = {}
    goalLavaDown.CFrame = workspace.Lava.goalPositionPart.CFrame - Vector3.new(0,10,0)
    local goalLavaDownTween = TweenService:Create(workspace.Lava.Handle, tweenInfo, goalLavaDown)

    goalLavaDownTween:Play()

    wait(3)

    Plataforms:Destroy()

end

while wait(5) do
    if BossMonster.Humanoid.Health > 0 then

        BossMonster.ForceField.Visible = true

        FireballChallenge()
        LavaChallange()

        BossMonster.ForceField.Visible = false

    else
        break
    end
end