Mini Sentry: Shoots a constant beam that does 7 damage per hit
Level 1 Sentry: Shoots slow but powerful tracer rounds +14 damage per hit
Level 2 Sentry: Shoots as fast as a normal lv2 sentry but now it deals +16 damage per hit with 10 sec tracer rounds
Level 3: Shoots a charged wrangler rocket +48 damage -7 sec tracer round and gun barrels shoot a constant laser that does +18 damage per hit
====================
- build time takes longer (12 sec)
+ more HP
- health decreses faster when sapped
- needs to be near a dispenser to fire (main sentry not mini one)
+ 16 explosive ressistance