Behemoth

Siege Monster. You deal double damage to objects and structures.

Multiattack (Requires Druid Level 5+). You make two Rend attacks.

Rend. Melee Attack Roll: Bonus equals your spell attack modifier, reach 10 ft. Hit: 1d8 plus your Wisdom modifier Slashing damage. This damage increases by 1d8 when you reach Druid levels 6 (2d8) and 12 (3d8).

Incandescent Breath. You expend a level 1+ spell slot. Dexterity Saving Throw: DC equals your spell save DC, each creature in a 5-foot-wide, 60-foot-long Line. Failure: 2d10 Radiant damage per level of the spell slot expended. Success: Half damage.

Rampager (Requires Druid Level 10+). You expend a level 1+ spell slot and move up to half your Speed without provoking Opportunity Attacks. When you enter the space of an enemy that is at least two sizes smaller than you for the first time on a turn, that creature is subjected to the following effect. Strength Saving Throw: DC equals your spell save DC. Failure: The target has the Prone condition. If the target already has the Prone condition, it instead takes 1d10 Bludgeoning damage per level of the spell slot expended.