Other options offer a purple, green, or blue light instead of a red light, which can be helpful for tracking blood trails in the dark. (geekwrapped.com)
Many of my line are performing blood trailing for wounded animals. (abneycatahoulas.com)
He can revive once upon death with a Red Heart container and the «Anemic» ability (leaves blood trail in current room that damages enemies when damage is taken). (cheatcc.com)