NightfallDervish. Earth Prayers 10Sand ShardsFlash Enchantment SpellFor 30 seconds, the next 4 times you hit with a scythe, all other adjacent foes take 43 earth damage.1010
NightfallDervish. Earth Prayers 10Vow of StrengthElite Enchantment SpellFor 15 seconds, whenever you attack a foe with your scythe, you deal 20 slashing damage to all adjacent foes.5¼20
NightfallDervish. Earth Prayers 10Staggering ForceFlash Enchantment SpellAll nearby foes are struck for 30 earth damage. For 30 seconds, your attacks deal earth damage. When this enchantment ends, all nearby foes have Cracked Armor for 7 seconds.106
NightfallDervish. Scythe Mastery 11Eremite's AttackMelee AttackIf it hits, this attack deals +8 damage and removes a Dervish enchantment. If an enchantment is removed, you do an additional +8 damage and strike all adjacent foes.56
NightfallAssassin. Sunspear rank Critical AgilityEnchantment SpellFor 4 seconds and 1 second for each rank of Critical Strikes you attack 33% faster and gain 10..25 armor. This Skill reapplies itself every time you land a critical hit. PvE only.5130
EotNAssassin. Critical Strikes 13Way of the MasterEnchantment SpellFor 60 seconds, while holding a non-dagger weapon, you have an additional 29% chance to land a critical hit.5¼30
Malicious StrikeNightfallAssassin. Critical Strikes 13Malicious StrikeMelee AttackIf this attack hits a foe suffering from a Condition, you deal +27 damage and this attack results in a critical hit.56 damage and energy
Critical EyeFactionsAssassin. Critical Strikes 13Critical EyeSkillFor 32 seconds, you have an additional 13% chance to land a critical hit when attacking. You gain 1 Energy whenever you score a critical hit.530 only if not using zealous scythe (even then, energy should be fine)
Equipment
Nightstalker's or blessed insignias.
Runes of Attunement
Vampiric or Zealous Scythe of Enchanting
Usage
Outside of an enemy group put all of your buffs up. Wait for the mob to reset, when they've all converged into a ball then death's charge in and spike.
On patrols get your party in front of the mob, then death's charge in ahead of your party and spike.
On single targets pull one by one with a bow if casters, pull martial enemies in large groups back to your party.
Counters
Anti Melee
Enchant Removal
Stripping Vow of Strength instead of your first optional.