Battle machine

You enchant the materials to turn into the Battle machine,

The Battle machine is a weapon simple enough to be wielded by everyone. When entering the battle machine the player cannot be damaged, until the battlemachine breaks, or if the player decides to leave the battle machine. The battle machine can be repaired but not in combat. To repair the battle machine, one must cast a battle machine spell of equal or higher level than the batte machine, however this time no materials are requiered. The battle machine changes the strength, dexterity and constitution stat, but the others will stay the same. 

The battle machine has the following stats:

STR : 20                             Hit points:  30

DEX: 12                              Actions:    Action Melee Attack. Strike: +3 to hit, reach 10 ft., one target. Hit: 1 (3d4 + 2) bloodgeoning damage.                                                                                                                                                         Action Ranged Attack. Energy pulse: +5 to hit, range 60/120 ft., one target. Hit: 1 (2d4 + 1) force damage.                                                                            CON: 14

The battle machine has a stealth modifier of -7

 The battle machine has an armor class of 14

The batle machine has a walking speed of 30 ft

At higher levels the battle machine gains 10 hitpoints and + 3 attack modifier (for both actions) per spell level. For every spell level above 2nd, the spell uses 100 pounds of oth materials extra.