absolutely massive tail
yes:
⠀⠀⠀✓ - make adopts
⠀⠀⠀✓ - make any line edits
⠀⠀⠀✓ - upload finished product offsite
⠀⠀⠀✓ - use the art for personal use
no:
⠀⠀⠀✗ - sell anything made with it for real money
⠀⠀⠀✗ - remove signature (the "epic!")
⠀⠀⠀✗ - not give credit