This mech should have been kept out of the main Rec-guide thread not because it uses forbidden tech, but instead because the mech hasn't been in a Rec-guide yet:
Battleaxe BKX-11X
Mass: 70 tons
Tech Base: Mixed
Chassis Config: Biped
Rules Level: Era Specific
Era: Dark Ages
Tech Rating/Era Availability: X/X-X-X-X
Production Year: 3129
Dry Cost: 11,560,850 C-Bills
Total Cost: 11,671,850 C-Bills
Battle Value: 1,875
Chassis: Unknown Standard
Power Plant: Unknown 280 Light Fusion Engine
Walking Speed: 43.2 km/h
Maximum Speed: 64.8 km/h
Jump Jets: Unknown
Jump Capacity: 120 meters
Armor: Unknown Light Ferro-Fibrous
Armament:
2 (CL) ER Large Lasers
1 (IS) Streak SRM-6
2 (IS) MML-5s
Manufacturer: Unknown
Primary Factory: Unknown
Communications System: Unknown
Targeting and Tracking System: Unknown
================================================================================
Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Standard 107 points 7.00
Engine: Light Fusion Engine 280 12.00
Walking MP: 4
Running MP: 6
Jumping MP: 4 Standard
Jump Jet Locations: 2 LL, 2 RL 4.00
Heat Sinks: (IS) Double Heat Sink 16(32) 6.00
Heat Sink Locations: 1 RT, 2 LA, 2 RA
Gyro: Standard 3.00
Cockpit: Standard 3.00
Actuators: L: SH+UA+LA R: SH+UA+LA
Armor: Light Ferro-Fibrous AV - 212 12.50
Armor Locations: 2 CT, 3 LT, 2 RT
CASE II Locations: 1 LT 1.00
Internal Armor
Structure Factor
Head 3 9
Center Torso 22 33
Center Torso (rear) 10
L/R Torso 15 22
L/R Torso (rear) 8
L/R Arm 11 22
L/R Leg 15 28
================================================================================
Equipment Location Heat Critical Mass
--------------------------------------------------------------------------------
(IS) MML-5 RT 3 3 3.00
(IS) Streak SRM-6 RT 4 2 4.50
(IS) MML-5 LT 3 3 3.00
(CL) ER Large Laser RA 12 1 4.00
(CL) ER Large Laser LA 12 1 4.00
@MML-5 (LRM) (24) LT - 1 1.00
@MML-5 (SRM) (20) LT - 1 1.00
@Streak SRM-6 (15) LT - 1 1.00
Free Critical Slots: 5
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 7 Points: 19
4j 5 4 3 0 3 1 Structure: 4
Special Abilities: CASEII, SRCH, ES, SEAL, SOA, IF 1
Edit: Adding a Mixtech Ymir to go along with it:
Ymir BWP-5A
Mass: 90 tons
Tech Base: Mixed
Chassis Config: Biped
Rules Level: Era Specific
Era: Dark Ages
Tech Rating/Era Availability: X/X-X-X-X
Production Year: 3099
Dry Cost: 23,286,780 C-Bills
Total Cost: 23,460,780 C-Bills
Battle Value: 2,124
Chassis: Unknown Endo-Steel
Power Plant: Unknown 360 Fusion XL Engine
Walking Speed: 43.2 km/h
Maximum Speed: 64.8 km/h
Jump Jets: None
Jump Capacity: 0 meters
Armor: Unknown Standard Armor
Armament:
1 (IS) Heavy PPC
1 (IS) Silver Bullet Gauss
1 (IS) Extended LRM-10
2 (CL) Streak SRM-4s
2 (IS) Flamers
Manufacturer: Unknown
Primary Factory: Unknown
Communications System: Unknown
Targeting and Tracking System: Unknown
================================================================================
Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Endo-Steel 138 points 4.50
Internal Locations: 1 HD, 2 CT, 2 LT, 3 RT, 2 RA, 2 LL, 2 RL
Engine: XL Engine 360 16.50
Walking MP: 4
Running MP: 6
Jumping MP: 0
Heat Sinks: (IS) Double Heat Sink 10(20) 0.00
Gyro: Standard 4.00
Cockpit: Standard 3.00
Actuators: L: SH+UA+LA R: SH+UA+LA+H
Armor: Standard Armor AV - 256 16.00
CASE II Locations: 1 LT, 1 RT 2.00
Internal Armor
Structure Factor
Head 3 9
Center Torso 29 41
Center Torso (rear) 10
L/R Torso 19 28
L/R Torso (rear) 10
L/R Arm 15 27
L/R Leg 19 33
================================================================================
Equipment Location Heat Critical Mass
--------------------------------------------------------------------------------
(IS) Extended LRM-10 RT 6 4 8.00
2 (CL) Streak SRM-4s LT 6 2 4.00
2 (IS) Flamers RA 6 2 2.00
(IS) Heavy PPC RA 15 4 10.00
(IS) Silver Bullet Gauss LA 1 7 15.00
@ELRM-10 (18) RT - 2 2.00
@Streak SRM-4 (25) LT - 1 1.00
@Silver Bullet Gauss (16) LA - 2 2.00
Free Critical Slots: 4
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 9 Points: 21
4 3 3 2 0 4 2 Structure: 5
Special Abilities: CASEII, SRCH, ES, SEAL, SOA, FLK 1/1/1