You can only activate 1 of the 1st and 2nd effect of this card’s name per turn, and only once that turn.
(1) Target 1 “Therions” monster in your GY; Special Summon it, then you can equip 1 “Therions” monster from your hand or GY to it.
(2) During the Main Phase: You can banish this card from your GY, then target 1 “Therions” monster you control and 1 in your GY; equip the target in the GY to the target you control.