HP
New, Level 5 Max HP: Roll your Hit Die = 5.
42 +5 +3 +1 = 51 total
New Class Features
The actual wording of each of your new class features. Feel free to copy and paste from the site that shall not be named on MW.
Destroy Undead (CR 1/2)
Starting at 5th level, when an undead of CR 1/2 or lower fails its saving throw against your Turn Undead feature, the creature is instantly destroyed.
Spell Slots
Level 3: 0 ▶ 2
New Domain spells: elemental weapon, protection from energy