Mythal Crafting: Add missing properties

Add the following properties with these details:

**2d6 Elemental Damage**
- 2-Handed Weapons Only
- 2 points
- Flawless Mythal
- Cannot be combined with any other damage type

**2d6 Physical Damage**
- 2-Handed Weapons Only
- 2 points
- Perfect Mythal
- Cannot be combined with any other damage type

**1d10 Elemental Damage**
- 3 points
- Flawless Mythal
- Cannot be combined with any other damage type

**1d10 Physical Damage**
- 4 points
- Perfect Mythal
- Cannot be combined with any other damage type

**1d12 Massive Criticals**
- 1 point
- Greater Mythal
- Bow, Crossbow, Sling only

**2d12 Massive Criticals**
- 2 points
- Flawless Mythal
- Bow, Crossbow, Sling only

**32 Spell Resistance**
- 4 points
- Divine Mythal

**OnHit Freeze, Slow, Caster Level 10**
- 3 points
- Divine Mythal

**Unlimited Ammunition**
- 2 points
- Intermediate Mythal
- 1d6 Fire/Acid/Cold/Electric

**Unlimited Ammunition**
- 2 points
- Flawless Mythal
- +5 Enhancement to Arrow