Amid's Earthen Extension

You become one with the earth and let it surround you, until the spell ends you gain the following benefits:

• You gain a +3 to your AC
• Your size category goes up by one 
• You get an addtional weapon damage dice  
• Your reach extends by 5ft
• You gain tremor-sense 30ft
• You have advantage on strength checks and saves

You can choose to end the spell early and deal an extra 5d6 bludgeoning damage to your next attack and knock them prone.