The Belgian, who was signed at 10.59pm on deadline day, enjoyed a fairytale debut after he netted to give the Saddlers a crucial 1-0 win on Saturday.
Snapped up on a temporary basis from Stoke, Ngoy scored with practically his first touch just minutes after being introduced as a substitute.
And the striker said he felt proud to score the winning in the crunch relegation six-pointer.
"It was a big victory," the 20-year-old said.
"I felt the team played very well and I was very pleased and happy to score on my debut.
"I felt proud. The night before and in the morning I was thinking about scoring.
"I’m sure it won’t be the last goal I score for Walsall."
Ngoy is highly rated at Stoke and signed a five-year contract with the Premier League side in September last year.
But he now feels he needs to play first-team football to continue to his development.
"I wanted to come out on loan in the window," the forward continued.
"I was talking to the boss (Jon Whitney) during the day. He spoke to me a lot and told me how much he wanted me to come to Walsall.
"It happened late so I didn’t know if I would be staying in the under-23s at Stoke or coming here.
"But I wanted to go to a good team where I can express myself and I feel I have got that at Walsall.
"Stoke have told me to come here and enjoy it. They know I can do it."
Ngoy says he is already enjoying life at the Banks's Stadium with fellow Belgian Florent Cuvelier helping him settle in.
"It’s been a great start," he added.
"Everyone has been really good with me.
"Florent Cuvelier is here and he is also Belgian so he has helped me a lot.
"I have now got three months here. I want to do everything I can help the team. I want to score goals and help other people score to.
"If I do that we will win more games and then we can push up the table."