1. To start with  , please keep in mind that your primary objective is to detect bugs. These bugs might be with reference to requirements/common sense/learnings you obtain during the process. 2.You need to have very good documenting skills to log defect raised. I have seen many instances where lot of time got wasted just to understand what defect is.
2. You need to have very good communication skills/assertiveness/ tact /diplomacy to get defect fixed/track defect properly as required.
3. You need to have passion for quality and processes.
4. You need to have lot of patience  , tolerance and adaptability to change.

Formal training that you might need is: 1.Testing concepts/deliverables/processes 2.Testing organization 3.Defect Management process 4.Waterfall/Agile

1. To start with, please keep in mind that your primary objective is to detect bugs. These bugs might be with reference to requirements/common sense/learnings you obtain during the process. 2.You need to have very good documenting skills to log defect raised. I have seen many instances where a lot of time got wasted just to understand what defect is.
2. You need to have very good communication skills/assertiveness/ tact /diplomacy to get defect fixed/track defect properly as required.
3. You need to have a passion for quality and processes.
4. You need to have a lot of patience, tolerance, and adaptability to change.

Formal training that you might need is:

1. Testing concepts/deliverables/processes
2. Testing organization
3. Defect Management process
4. Waterfall/Agile