If Zimriza reduces a creature's HP to 0 he gains 10 Temp HP

Zimriza can cause his longsword to appear and disappear magically from his hand once per turn

Zimriza can read all known languages. 

Spellcasting. Zimriza the Damned is a 5th-level spellcaster. Its spellcasting ability is [+5] (spell save DC 16, +8 to hit with spell attacks). Zimzara has the following Warlock spells prepared:
Cantrips (at will): Friends, Poison Spray, Thaumaturgy, Create Bonfire 
2nd level (2 slots): Darkness, Hellish Rebuke 

3rd level (3 slots): Counterspell, Fly, Crown of Madness, Fireball, Vampiric Touch, Slow

One With Shadows: If hidden,  in a dim-lit area, or in darkness, for an action, Zimriza can turn invisible

Action Melee Attack. Longsword Attack: +7 to hit, reach 5 ft., 1 target. Hit:  8 (1d10 + 3) slashing damage + 2d4 Posion Damage

Can use the Longsword Attack action if a spell was cast or if One With Shadows was used, or the disengage action if the Longsword Attack action was used. 

Opportunity attack: Longsword attack, Hellish Rebuke, Counterspell

Frenzied Attack (Costs 1 Action). Zimriza the Damned can use his longsword action once per round when it is not his turn. 

Legendary Resistances (2 Per Long Rest) Zimriza can use this ability anytime to resist any magical effect, saving throw, or concentration check.  

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