Welcome @lordlexy
Please make sure you do a proper introduction here as it is a rule of this forum.
As to your question, there are many different opinions on the use of a protective circle. It really just depends on the magical system you practice. Those who worship demons, like in the religion of demonolatry, for example, tend to believe circles are offensive to the demons. Those who practice ceremonial magick tend to believe circles are required. Different strokes for different folks.
There are many modern methods that don’t require circles. Look into the book Demons of Magick by Gordon Winterfield, or The Magick of Angels And Demons by Henry Archer. Both are available on Amazon.