Test the Difficulty Class of a given trap/event/skill in D&D

Test-DC.ps1

function Test-DC {
    param (
        # Parameter help description
        [Parameter()]
        [int]
        $DC,
        [Parameter()]
        [int]
        $Bonus,
        [Parameter()]
        [int]
        $probonus = 0,
        [Parameter()]
        [int]
        $tests = 500
    )
    $results = New-Object System.Collections.Generic.List[System.Object]

    for ($i = 0; $i -lt $tests ; $i++) {
        $Dice = Get-Random -Minimum 1 -Maximum 20

        $Result = $Dice + $Bonus + $probonus

        if ($Result -ge $DC) {

            $results.add($True)
        } else {

            $results.add($False)
        }
    } 
    $Results = $Results.ToArray()
    $TotalSuccess = $($Results | Where-Object {$_ -eq $True}).Count
    $SuccesRate = ($TotalSuccess / $tests) * 100
    Write-Output $SuccesRate"% Success Rate"

}