Gift of the Blood Caller

Always on the lookout for blood, you gain the following benefits:

• You gain a +7 bonus to initiative.
• You can't be surprised while you are conscious.
• Other creatures don’t gain advantage on attack rolls against you as a result of being unseen by you.
• You gain the ability to sense any living, bleeding entity within 120 feet of you. 
• Once per long rest, you may target one specific entity with blood in it, and mark it, being unable to lose track of it, regardless of whether it escapes the current plane.
• The newfound control of blood you are given, grants you the ability to cast heal on yourself once per long rest. and the capacity to use the spell mass heal once and then never again.