Here is the script
local Player = game.Players.LocalPlayer --get the local player local LVL = Player:WaitForChild("LevelingSystem"):WaitForChild("Lvl") --common reason as to why some LocalScripts don't work in studio, things haven't loaded in LVL:GetPropertyChangedSignal("Value"):Connect(function() Player.Character.Humanoid.MaxHealth = LVL.Value * 100 Player.Character.Humanoid.Health = Player.Character.Humanoid.MaxHealth end)
try this
local Player = game.Players.LocalPlayer --get the local player local LVL = Player:WaitForChild("LevelingSystem"):WaitForChild("Lvl") --common reason as to why some LocalScripts don't work in studio, things haven't loaded in LVL:GetPropertyChangedSignal("Value"):Connect(function() Player.Character.Humanoid.MaxHealth = LVL.Value * 100 wait(0.1) Player.Character.Humanoid.Health = Player.Character.Humanoid.MaxHealth end)