Amalgamation 1.2

Incorporeal Movement. The amalgamation can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.

Split Off. The Amalgamation can send souls out of its body, making itself weaker, but adding Specters into battle.

Spiritual Eyes. Amalgamation can only see souls within beings and living things. 

Hunger. Amalgamation has an uncontrollable hunger for new souls to be ingested to its body, making it stronger and larger.

Soul Mould. The Amalgamation can mold its body to evade projectiles it can see.

All-Seeing. Amalgamation has the eyes of all the souls it has ingested, allowing it to have Advantage on perception and investigation rolls.

Life Drain. Melee Spell Attack: +4 to hit, reach 5 ft., one creature. Hit: 10 (3d6) necrotic damage. The target must succeed on a DC 10 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the creature finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.

Split Off. Summons 4 Specters into battle to do the Amalgamation's bidding.

Soul Controul. Melee Spell Attack: +6 to hit, reach 30 ft., one living creature. Hit: 30 (4d12) necrotic damage. The target must succeed on a DC 17 Wisdom saving throw or the creature is under the control of Amalgamation for 5 turns.

Strike. Melee Attack:  +5 to hit, reach 25 ft. 1 creature. Hit: 15 (2d8) necrotic damage and 8(1d12) slashing damage.

Recall. Magical ability: Amalgamation can regain 30 (4 d12) hitpoints at will.

Soul Mould. The Amalgamation can mold its body to evade projectiles it can see.

Soul Toull. Once per day, the Amalgamation can ingest all the souls in a 100 ft. radius from its position. Any creature stuck must succeed on a DC 18 Constitution save or the creature's hit points are reduced to 0 and the creature dies.

Soul Tentacles. Once per long rest, the Amalgamation can grow 7 tentacles out of its body, and it now has 7 attacks per turn for the rest of the battle.