Some common Law vs Chaos Weapon Mods

Some bonus features for petty magic weapons
One feature for every + seems right

d12 Chaos Tech
1 Face and can talk and fires at own will, encourages base desire and lawlssness
2 Living slimy creature requires food
3 Cyborg part machine part creature, requires fuel and food)
4 Vegetal, fungal, cacti or root-like, wrapped in vines, likes some water
5 Leaking boils or weeps disgusting smelly fluid constantly
6 Eyeballs all over that move
7 Has a tentacle or tongue as long as the weapon and use it to crawl like a leech, hold the wielder so it cannot be dropped, and other helpful tasks
8 Spikes all over +1 Melee damage, knuckleduster spiked grips or stock with spikes
9 Grows 2d6 shots ammo per day if not normally a missile weapon as light crossbow
10 Weapon leaps into your hand if dropped or thrown at end of round
11 Item vibrates in the presence of law within 10m +1 vs law
12 Weapon blazes with a +d4 damage of a random element or damage type

d12 Law Tech
1 Face and can talk and criticise your actions and offer unwanted advice
2 Shiny chrome, gold or bronze or anodised coloured shiny metal finish
3 Has brass cogs, dials and gears visible working inside, buzzes or ticks in fight 
4 Plays unearthly music in battle that nobody will forget
5 Glass vessels and tubes with strange alchemical fluids pumping inside
6 One in six shots is created by the gun, if not a missile weapon can fire bolt as a light crossbow
7 Seems to have formed from crystal or glass that might glow in use
8 Blade glows and +1 damage (pick cold or fire or lightning)
9 Item vibrates in the presence of chaos within 10m +1 vs chaos
10 Weapon always inflicts minimum of average damage for dice
11 Weapon blazes with light as a lantern at will up to a 10m circle
12 Weapon gains an extra dice damage if rolls a natural 20