Synapse. If the Tyranid is within range of a synapse node creature it gains advantage on all charisma savingthrows, +1 to their damage roles and immunity to the charmed condition.

Synapse node beast. all tyranids within 30ft of this creature gain the effects of their synapse abilitys.

Shadow in the warp. When this Tyranid creature uses its shadow in the warp feature, all non Tyranid creature’s, within synapse range, must succeed on a DC 14 constitution savingthrow, on a failed save the creature will gain the battle shocked condition on at the start of their next turn, they may remake the savingthrow on subsequent turns at no action cost, this ability cannot be used by this or any other Tyranid until the next day.

(Battle shocked: disables the battle shocked creature, class features until they succeeded on the “shadow in the warp”savingthrow).

Warp field aura. All tyranids within 25ft of the zoanthrope have +3 to all savingthrows.

Overbearing energy. When the zoanthrope uses its warp blast action, it makes a constitution savingthrow DC: 8, on a failed save the psychic power in its mind becomes too powerful for the zoanthrope to handle, and instantly dies as its brain explodes.

Chitinous claws and teeth . Melee Weapon Attack: -2 to hit, reach 5 ft., one target. Hit: 1 (1d10 - 4) slashing damage. 

Warp blast - witchfire . RangedWeapon Savingthrow: intelligence DC: 17, range 30 ft cone., all targets. Hit: 28 (4d12 + 4) psychic damage.

Warp blast- focused witchfire. RangedWeapon Savingthrow: intelligence DC: 17, range 60 ft line., all targets. Hit: 32 (5d12 + 4) psychic damage.