Antiquenid

Metal legs  The antiquenid  has disavage on stealth checks.                                                        
Midas touch   When a creature hits the antiquenid with a melee attack the creature must make dc 15 Con saving throw or be perfied ;This also applies to touch spells .                         
 Dent                                                                                                                                                       When the antiquenid is hit by a attack that does 50 bludgeoning damage or more the  effect of dent will happen.  What dent does is first the antiquenid is Stunned for 4 rounds : then the Antiquenid has a permated Lingering injury from 2 - 7.                                                                                                                                    

Multiattack .                                                                                                                       The Antiquenid makes two Gold longsword attacks or uses its Reaction.

 Gold Longsword. Melee Weapon Attack: + 7 to hit, reach 10 ft.,  1 or 2 lined up targets. Hit: 10 (2d10) [Slashing ] damage and Hit: 3 (1d4 +1) [ Bludgeoning] 

Chain Slik . Ranged Weapon Attack: +6 to hit, range 50/100 ft., 1 target. Hit: 8 (2d10 - 2) [Bludgeoning] damage and the target is pushed half the target's speed and must make a Dc 16 constitution saving throw or be perfied. 

Silk cocoon. 
As a reaction to being hit by multiattack the  antiquenid can neutralize one attack for 2 rounds and use it on its next turn . How neutralizing works is the creature is prohibited from use that move for the 2 rounds and the creature can't use multattacks with that move .