On you're own is really by a long shot considering that a simple false angel killed you during the making of the rod.
Fools you say? Well remember this that I saw through you're intentions and revealed them to the Heros present at that time before ''letting'' you open the gates.
But the far most important thing that you need to remember is that Erebos allowed you to take control of the underworld and he can take it away as quickly as he gave it to you. So remember you're place Mystra in this world and the next. Try not to let that little power go to your head or our great lord of darkness shall remind you your place.
(Other than that it was a great event in its making.

)