In the beginning you might think that other skills do more damage or are better but trust me, if you follow this table, hell would be easier then if you don't.
Level Skill Total Points Allocation2 Might 1 Den of Evil Sacrifice 1 3 Smite 1 4 Save 1 5 Save 2 6 Holy Fire, Thorns 1 7 Holy Bolt 1 8 Save 1 9 Save 2 10 Save 3 11 Save 4 12 Zeal, Charge 2 13 Save 4 14 Save 5 15 Save 6 Radament Save 7 16 Save 8 17 Save 9 18 Holy Freeze, Blessed Hammer, Vengence 1 19 Vengence 2 20 Vengence 3 21 Vengence 4 22 Vengence 5 23 Vengence 6 24 Vengence, Holy Shield, Sanctuary 7, 1, 1 25 Vengence 8 Izual Save 6 26 Vengence 9 27 Vengence 10 28 Vengence 11 29 Vengence 12 30 Conviction 1 31 Conviction, Vengence 2, 13 32 Conviction, Vengence 3, 14 33 Conviction, Vengence 4, 15 34 Conviction, Vengence 5, 16 35 Conviction, Vengence 5, 17 Den of Evil Vengence 18 36 Vengence 19 37 Vengence 20 38 Conviction 6 39 Conviction 7 40 Conviction 8 41 Conviction 9 42 Conviction 10 43 Conviction 11 44 Conviction 12 Radament Conviction 13 45 Conviction 14 46 Conviction 15 47 Conviction 16 48 Conviction 17 49 Conviction 18 50 Conviction 19 51 Conviction 20 After this holy shield until 60% block is achieved and then a zeal until 5 hits