The phrase magical creature appears several places in GURPS Magic which gives some indication as to its meaning.
M101 under Detect Magic
M113 under Mage Light
M124-5 under Pentagram
M127 under Drain Mana
M170 under Force Dome.
GURPS Wiki
GURPS Wiki
"The material presented here is a community original creation, intended for use with the GURPS system from Steve Jackson Games. This material is not official and is not endorsed by Steve Jackson Games."
READ MORE
The phrase magical creature appears several places in GURPS Magic which gives some indication as to its meaning.
M101 under Detect Magic
M113 under Mage Light
M124-5 under Pentagram
M127 under Drain Mana
M170 under Force Dome.